--- title: "Washington to Salt Lake City flights: who flies IAD-SLC" description: "Delta Air Lines and United Airlines fly nonstop from IAD to SLC, about 14 flights a week. See confirmed upgrade and award space by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/iad-slc" url: "https://2lnr.com/routes/iad-slc.md" date_modified: "2026-10-18T05:10:47Z" --- # Washington to Salt Lake City (IAD-SLC): nonstop upgrade & award space United Airlines and Delta Air Lines fly nonstop between Washington (IAD) and Salt Lake City (SLC), roughly 14 times a week. The timetable below shows the nonstop scheduled at 4h 37m to 4h 58m for the 1,823 miles. 2LNR checks confirmed upgrade and award space on Delta Air Lines 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 22, 2026. See IAD to SLC on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 4h 37m to 4h 58m Scheduled flight time 1,823 mi Nonstop distance Free To get started ## Washington to Salt Lake City flight schedule Scheduled nonstop departures for IAD to SLC starting October 22, 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 Washington (IAD) to Salt Lake City (SLC) | Date | Flight | Airline | Departs IAD | Arrives SLC | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | DL 432 | Delta Air Lines | 06:13 | 08:50 | 4h 37m | [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.md) | | Thu, Oct 22 | UA 2410 | United Airlines | 18:00 | 20:58 | 4h 58m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Fri, Oct 23 | DL 432 | Delta Air Lines | 06:13 | 08:50 | 4h 37m | Boeing 737-800 | | Fri, Oct 23 | UA 2410 | United Airlines | 18:00 | 20:58 | 4h 58m | Airbus A319 | | Sat, Oct 24 | DL 432 | Delta Air Lines | 06:13 | 08:50 | 4h 37m | Boeing 737-800 | | Sat, Oct 24 | UA 2410 | United Airlines | 18:00 | 20:58 | 4h 58m | Airbus A319 | | Sun, Oct 25 | DL 432 | Delta Air Lines | 06:13 | 08:50 | 4h 37m | Boeing 737-800 | | Sun, Oct 25 | UA 2410 | United Airlines | 18:00 | 20:58 | 4h 58m | Airbus A319 | | Mon, Oct 26 | DL 432 | Delta Air Lines | 06:13 | 08:50 | 4h 37m | Boeing 737-800 | | Mon, Oct 26 | UA 2410 | United Airlines | 18:00 | 20:58 | 4h 58m | Airbus A319 | | Tue, Oct 27 | DL 432 | Delta Air Lines | 06:13 | 08:50 | 4h 37m | Boeing 737-800 | | Tue, Oct 27 | UA 2410 | United Airlines | 18:00 | 20:58 | 4h 58m | Airbus A319 | | Wed, Oct 28 | DL 432 | Delta Air Lines | 06:13 | 08:50 | 4h 37m | Boeing 737-800 | | Wed, Oct 28 | UA 2410 | United Airlines | 18:00 | 20:58 | 4h 58m | Airbus A319 | Showing all 14 scheduled IAD to SLC departures across 7 days with service, starting October 22, 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 IAD to SLC date on the interactive map ## Aircraft on the Washington to Salt Lake City nonstop In the schedule table on this page, Delta Air Lines flies the [Boeing 737-800](https://2lnr.com/seatmaps/dl/737-800.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 IAD to SLC departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Washington to Salt Lake City to see which departures have space, the next 14 days free on every product and the full horizon on Pro. Delta Air Lines award space was open on all 14 Washington to Salt Lake City 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 IAD to SLC 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 IAD to SLC on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Washington to Salt Lake City nonstop Carriers operating IAD to SLC 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) - [Delta Air Lines (DL) route map](https://2lnr.com/routes/airlines/dl.md)\ [The aircraft DL flies](https://2lnr.com/seatmaps/dl.md) See IAD to SLC on the interactive map → ## Frequently asked questions about IAD to SLC **How long is the flight from Washington (IAD) to Salt Lake City (SLC)?** Scheduled flight times from Washington (IAD) to Salt Lake City (SLC) run from 4h 37m to 4h 58m across the departures in the schedule table on this page. The nonstop covers about 1,823 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAD to SLC?** United Airlines and Delta Air Lines fly IAD to SLC nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from IAD to SLC?** About 14 nonstop flights a week run between Washington (IAD) and Salt Lake City (SLC) in the current schedule, operated by United Airlines and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from IAD to SLC depart?** Scheduled IAD to SLC nonstops in the next 7 days with service leave between 06:13 and 18:00, local time at Washington. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate IAD to SLC nonstop?** In the schedule table on this page, IAD to SLC nonstops fly as DL 432 on Delta Air Lines and UA 2410 on United Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on IAD to SLC?** Open the IAD to SLC route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, 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 [SLC to IAD upgrade and award space](https://2lnr.com/routes/slc-iad.md). Award seats rather than schedules? See [Delta Air Lines award availability](https://2lnr.com/awards/dl.md). Looking beyond this route? See [every route from Washington (IAD)](https://2lnr.com/routes/iad.md), or [every route from Salt Lake City (SLC)](https://2lnr.com/routes/slc.md). Nonstops to Salt Lake City (SLC) from other airports within 150 miles of Washington (IAD): - [Washington (DCA) to Salt Lake City (SLC)](https://2lnr.com/routes/dca-slc.md), 23 miles from IAD - [Baltimore (BWI) to Salt Lake City (SLC)](https://2lnr.com/routes/bwi-slc.md), 45 miles from IAD - [Philadelphia (PHL) to Salt Lake City (SLC)](https://2lnr.com/routes/phl-slc.md), 134 miles from IAD Distances are great-circle between the airports, not driving distance. - [How Delta upgrades clear](https://2lnr.com/about/dl/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Never miss IAD to SLC 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)