--- title: "Missoula (MSO) to Chicago (ORD) flights: who flies it" description: "American Airlines and United Airlines fly nonstop from MSO to ORD, about 8 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/mso-ord" url: "https://2lnr.com/routes/mso-ord.md" date_modified: "2026-10-18T05:10:47Z" --- # Missoula to Chicago (MSO-ORD): nonstop upgrade & award space American Airlines and United Airlines fly the MSO to ORD nonstop about 8 times a week. The timetable below shows the nonstop scheduled at 3h 31m to 3h 37m for the 1,329 miles. 2LNR checks confirmed upgrade and award space on American 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 MSO to ORD on the interactive map [Get started free](https://2lnr.com/login) 8 Flights a week, 4-week average 3h 31m to 3h 37m Scheduled flight time 1,329 mi Nonstop distance Free To get started ## Missoula to Chicago flight schedule Scheduled nonstop departures for MSO to ORD 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 Missoula (MSO) to Chicago (ORD) | Date | Flight | Airline | Departs MSO | Arrives ORD | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 636 | United Airlines | 12:28 | 16:59 | 3h 31m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Fri, Oct 23 | AA 3487 | American Airlines | 13:48 | 18:25 | 3h 37m | [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md) | | Sat, Oct 24 | UA 636 | United Airlines | 12:28 | 16:59 | 3h 31m | Airbus A319 | | Sat, Oct 24 | AA 3487 | American Airlines | 13:48 | 18:25 | 3h 37m | Embraer E175 | | Sun, Oct 25 | AA 3487 | American Airlines | 13:48 | 18:25 | 3h 37m | Embraer E175 | | Mon, Oct 26 | AA 3487 | American Airlines | 13:48 | 18:25 | 3h 37m | Embraer E175 | | Tue, Oct 27 | AA 3487 | American Airlines | 13:48 | 18:25 | 3h 37m | Embraer E175 | | Wed, Oct 28 | AA 3487 | American Airlines | 13:48 | 18:25 | 3h 37m | Embraer E175 | | Thu, Oct 29 | AA 3487 | American Airlines | 13:48 | 18:25 | 3h 37m | Embraer E175 | Showing all 9 scheduled MSO to ORD departures across 7 days with service, starting October 23, 2026. Later dates are 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 MSO to ORD date on the interactive map ## Aircraft on the Missoula to Chicago nonstop In the schedule table on this page, American Airlines flies the [Embraer E175](https://2lnr.com/seatmaps/aa/e175.md), and United Airlines flies the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on MSO to ORD departures 2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Missoula to Chicago to see which departures have space, the next 14 days free on every product and the full horizon on Pro. American Airlines award space was open on 5 of the 14 Missoula to Chicago departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Confirmed upgrade or award seats by date on the MSO to ORD 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 MSO to ORD on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Missoula to Chicago nonstop Carriers operating MSO to ORD nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show confirmed upgrade or award space by date. - [American Airlines (AA) route map](https://2lnr.com/routes/airlines/aa.md)\ [The aircraft AA flies](https://2lnr.com/seatmaps/aa.md) - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See MSO to ORD on the interactive map → ## Frequently asked questions about MSO to ORD **How long is the flight from Missoula (MSO) to Chicago (ORD)?** Scheduled flight times from Missoula (MSO) to Chicago (ORD) run from 3h 31m to 3h 37m across the departures in the schedule table on this page. The nonstop covers about 1,329 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from MSO to ORD?** American Airlines and United Airlines fly MSO to ORD nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines. **How many flights a week are there from MSO to ORD?** About 8 nonstop flights a week run between Missoula (MSO) and Chicago (ORD) in the current schedule, operated by American Airlines and United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from MSO to ORD depart?** Scheduled MSO to ORD nonstops in the next 7 days with service leave between 12:28 and 13:48, local time at Missoula. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate MSO to ORD nonstop?** In the schedule table on this page, MSO to ORD nonstops fly as AA 3487 on American Airlines and UA 636 on United Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on MSO to ORD?** Open the MSO to ORD route on the interactive map or the matrix to see confirmed upgrade and award space by date on American 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 [ORD to MSO upgrade and award space](https://2lnr.com/routes/ord-mso.md). Award seats rather than schedules? See [American Airlines award availability](https://2lnr.com/awards/aa.md). Looking beyond this route? See [every route from Missoula (MSO)](https://2lnr.com/routes/mso.md), or [every route from Chicago (ORD)](https://2lnr.com/routes/ord.md). Nonstops to Chicago (ORD) from other airports within 150 miles of Missoula (MSO): - [Kalispell (FCA) to Chicago (ORD)](https://2lnr.com/routes/fca-ord.md), 97 miles from MSO 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 MSO to ORD 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)