--- title: "Chicago (ORD) to San Diego (SAN) flights: who flies it" description: "American Airlines, Alaska Airlines and United Airlines fly nonstop from ORD to SAN, about 105 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/ord-san" url: "https://2lnr.com/routes/ord-san.md" date_modified: "2026-10-18T05:10:47Z" --- # Chicago to San Diego (ORD-SAN): nonstop upgrade & award space United Airlines, American Airlines, and Alaska Airlines fly nonstop between Chicago (ORD) and San Diego (SAN), roughly 105 times a week. The timetable below shows the nonstop scheduled at 4h 19m to 4h 40m for the 1,720 miles. 2LNR checks confirmed upgrade and award space on American Airlines and Alaska Airlines flights on this route, so you can see which departures have space before you book. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See ORD to SAN on the interactive map [Get started free](https://2lnr.com/login) 105 Flights a week, 4-week average 4h 19m to 4h 40m Scheduled flight time 1,720 mi Nonstop distance Free To get started ## Chicago to San Diego flight schedule Scheduled nonstop departures for ORD to SAN starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Chicago (ORD) to San Diego (SAN) | Date | Flight | Airline | Departs ORD | Arrives SAN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | AA 2343 | American Airlines | 06:45 | 09:16 | 4h 31m | [Boeing 737-800](https://2lnr.com/seatmaps/aa/737-800.md) | | Fri, Oct 23 | UA 2428 | United Airlines | 07:05 | 09:32 | 4h 27m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Fri, Oct 23 | AS 1470 | Alaska Airlines, Inc. | 07:20 | 09:56 | 4h 36m | [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md) | | Fri, Oct 23 | UA 660 | United Airlines | 08:50 | 11:25 | 4h 35m | [Airbus A321neo family](https://2lnr.com/seatmaps/ua/a321neo.md) | | Fri, Oct 23 | AA 3134 | American Airlines | 10:04 | 12:34 | 4h 30m | [Airbus A321](https://2lnr.com/seatmaps/aa/a321.md) | | Fri, Oct 23 | UA 559 | United Airlines | 13:30 | 15:49 | 4h 19m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Fri, Oct 23 | AS 1447 | Alaska Airlines, Inc. | 14:21 | 17:01 | 4h 40m | [Boeing 737-800](https://2lnr.com/seatmaps/as/737-800.md) | | Fri, Oct 23 | UA 2138 | United Airlines | 16:10 | 18:40 | 4h 30m | Boeing 737 MAX 9 | | Fri, Oct 23 | AA 1543 | American Airlines | 16:45 | 19:18 | 4h 33m | Airbus A321 | | Fri, Oct 23 | AA 1861 | American Airlines | 19:00 | 21:34 | 4h 34m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/aa/737-max-8.md) | | Fri, Oct 23 | AS 1478 | Alaska Airlines, Inc. | 19:49 | 22:27 | 4h 38m | Boeing 737-900 | | Fri, Oct 23 | UA 1564 | United Airlines | 20:16 | 22:41 | 4h 25m | Airbus A321neo family | | Fri, Oct 23 | AA 1785 | American Airlines | 20:46 | 23:19 | 4h 33m | Boeing 737-800 | | Sat, Oct 24 | AA 2343 | American Airlines | 06:45 | 09:16 | 4h 31m | Boeing 737-800 | | Sat, Oct 24 | UA 2428 | United Airlines | 07:05 | 09:32 | 4h 27m | Boeing 737 MAX 9 | | Sat, Oct 24 | AS 1470 | Alaska Airlines, Inc. | 07:20 | 09:56 | 4h 36m | Boeing 737-900 | | Sat, Oct 24 | UA 660 | United Airlines | 08:50 | 11:25 | 4h 35m | Airbus A321neo family | | Sat, Oct 24 | AA 3134 | American Airlines | 10:04 | 12:34 | 4h 30m | Airbus A321 | | Sat, Oct 24 | UA 559 | United Airlines | 13:30 | 15:49 | 4h 19m | Boeing 737-900 | | Sat, Oct 24 | AS 1447 | Alaska Airlines, Inc. | 14:21 | 17:01 | 4h 40m | Boeing 737-800 | | Sat, Oct 24 | UA 2138 | United Airlines | 16:10 | 18:40 | 4h 30m | Boeing 737 MAX 9 | | Sat, Oct 24 | AA 1543 | American Airlines | 16:45 | 19:18 | 4h 33m | Airbus A321 | | Sat, Oct 24 | AA 1861 | American Airlines | 18:59 | 21:34 | 4h 35m | Boeing 737 MAX 8 | | Sat, Oct 24 | AS 1478 | Alaska Airlines, Inc. | 19:49 | 22:27 | 4h 38m | Boeing 737-900 | | Sat, Oct 24 | UA 1564 | United Airlines | 20:16 | 22:41 | 4h 25m | Airbus A321neo family | | Sat, Oct 24 | AA 1785 | American Airlines | 20:46 | 23:19 | 4h 33m | Boeing 737-800 | | Sun, Oct 25 | AA 2343 | American Airlines | 06:45 | 09:16 | 4h 31m | Boeing 737-800 | | Sun, Oct 25 | UA 2428 | United Airlines | 07:00 | 09:27 | 4h 27m | Boeing 737 MAX 9 | | Sun, Oct 25 | AS 1470 | Alaska Airlines, Inc. | 07:20 | 09:56 | 4h 36m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md) | | Sun, Oct 25 | AA 3258 | American Airlines | 08:05 | 10:38 | 4h 33m | Boeing 737-800 | | Sun, Oct 25 | UA 660 | United Airlines | 08:50 | 11:25 | 4h 35m | Airbus A321neo family | | Sun, Oct 25 | AA 3134 | American Airlines | 10:04 | 12:34 | 4h 30m | Airbus A321 | | Sun, Oct 25 | UA 2384 | United Airlines | 12:40 | 15:12 | 4h 32m | Boeing 737-900 | | Sun, Oct 25 | UA 2774 | United Airlines | 12:40 | 15:12 | 4h 32m | Boeing 737-900 | | Sun, Oct 25 | AS 1447 | Alaska Airlines, Inc. | 14:21 | 17:01 | 4h 40m | Boeing 737-900 | | Sun, Oct 25 | UA 2138 | United Airlines | 16:10 | 18:40 | 4h 30m | Boeing 737 MAX 9 | | Sun, Oct 25 | AA 1543 | American Airlines | 16:45 | 19:18 | 4h 33m | Airbus A321 | | Sun, Oct 25 | AA 1861 | American Airlines | 19:07 | 21:41 | 4h 34m | Boeing 737 MAX 8 | | Sun, Oct 25 | AS 1478 | Alaska Airlines, Inc. | 19:49 | 22:27 | 4h 38m | Boeing 737-900 | | Sun, Oct 25 | UA 2472 | United Airlines | 20:02 | 22:40 | 4h 38m | Airbus A321neo family | Showing the first 40 of 103 scheduled ORD to SAN departures across 7 days with service, starting October 23, 2026. Every remaining date is on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every ORD to SAN date on the interactive map ## Aircraft on the Chicago to San Diego nonstop In the schedule table on this page, United Airlines flies the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md), the [Airbus A321neo family](https://2lnr.com/seatmaps/ua/a321neo.md), and the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md). American Airlines flies the [Boeing 737-800](https://2lnr.com/seatmaps/aa/737-800.md), the [Airbus A321](https://2lnr.com/seatmaps/aa/a321.md), and the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/aa/737-max-8.md). Alaska Airlines flies the [Boeing 737-900](https://2lnr.com/seatmaps/as/737-900.md), the [Boeing 737-800](https://2lnr.com/seatmaps/as/737-800.md), and the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/as/737-max-9.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on ORD to SAN departures 2LNR tracks confirmed upgrade and award space on American Airlines and Alaska Airlines, segment by segment and date by date. Open the calendar for Chicago to San Diego to see which departures have space, the next 14 days free on every product and the full horizon on Pro. In the 7 days to October 19, 2026, 2LNR checked award space on Chicago to San Diego departures from October 19 to November 1. American Airlines had space open on 11 of 14 dates checked and Alaska Airlines on 14 of 14. ### See real availability Confirmed upgrade or award seats by date on the ORD to SAN departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See ORD to SAN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Chicago to San Diego nonstop Carriers operating ORD to SAN nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) - [Alaska Airlines (AS) route map](https://2lnr.com/routes/airlines/as.md)\ [The aircraft AS flies](https://2lnr.com/seatmaps/as.md) See ORD to SAN on the interactive map → ## Frequently asked questions about ORD to SAN **How long is the flight from Chicago (ORD) to San Diego (SAN)?** Scheduled flight times from Chicago (ORD) to San Diego (SAN) run from 4h 19m to 4h 40m across the departures in the schedule table on this page. The nonstop covers about 1,720 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ORD to SAN?** United Airlines, American Airlines, and Alaska Airlines fly ORD to SAN nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines and Alaska Airlines. **How many flights a week are there from ORD to SAN?** About 105 nonstop flights a week run between Chicago (ORD) and San Diego (SAN) in the current schedule, operated by United Airlines, American Airlines, and Alaska Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ORD to SAN depart?** Scheduled ORD to SAN nonstops in the next 7 days with service leave between 06:45 and 20:46, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ORD to SAN nonstop?** The schedule table on this page lists 17 flight numbers for ORD to SAN nonstops, including UA 660, UA 2138, and UA 2428 on United Airlines; AA 1543, AA 2343, and AA 3134 on American Airlines; and AS 1447 and AS 1470 on Alaska Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on ORD to SAN?** Open the ORD to SAN route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines and Alaska Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [SAN to ORD upgrade and award space](https://2lnr.com/routes/san-ord.md). Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md) or [Alaska Airlines award availability](https://2lnr.com/awards/as.md). Looking beyond this route? See [every route from Chicago (ORD)](https://2lnr.com/routes/ord.md), or [every route from San Diego (SAN)](https://2lnr.com/routes/san.md). Nonstops from Chicago (ORD) to other airports within 150 miles of San Diego (SAN): - [Chicago (ORD) to Santa Ana (SNA)](https://2lnr.com/routes/ord-sna.md), 76 miles from SAN - [Chicago (ORD) to Palm Springs (PSP)](https://2lnr.com/routes/ord-psp.md), 85 miles from SAN - [Chicago (ORD) to Ontario (ONT)](https://2lnr.com/routes/ord-ont.md), 94 miles from SAN - [Chicago (ORD) to Los Angeles (LAX)](https://2lnr.com/routes/ord-lax.md), 110 miles from SAN Distances are great-circle between the airports, not driving distance. - [How American upgrades clear](https://2lnr.com/about/aa/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss ORD to SAN upgrade or award space See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)