--- title: "Washington (IAD) to Austin (AUS) flights: who flies it" description: "United Airlines flies Washington (IAD) to Austin (AUS) nonstop about 21 times a week, scheduled at 3h 30m to 3h 43m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/iad-aus" url: "https://2lnr.com/routes/iad-aus.md" date_modified: "2026-10-18T05:10:47Z" --- # Washington to Austin (IAD-AUS): nonstop flights and who flies them United Airlines flies nonstop between Washington (IAD) and Austin (AUS), roughly 21 times a week. The timetable below shows the nonstop scheduled at 3h 30m to 3h 43m for the 1,295 miles. 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 IAD to AUS on the interactive map [Get started free](https://2lnr.com/login) 21 Flights a week, 4-week average 3h 30m to 3h 43m Scheduled flight time 1,295 mi Nonstop distance Free To get started ## Washington to Austin flight schedule Scheduled nonstop departures for IAD to AUS 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 Washington (IAD) to Austin (AUS) | Date | Flight | Airline | Departs IAD | Arrives AUS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 637 | United Airlines | 08:30 | 11:01 | 3h 31m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Fri, Oct 23 | UA 2746 | United Airlines | 12:35 | 15:05 | 3h 30m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | UA 2337 | United Airlines | 17:33 | 20:07 | 3h 34m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Sat, Oct 24 | UA 6122 | United Airlines | 08:30 | 11:13 | 3h 43m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Sat, Oct 24 | UA 2746 | United Airlines | 12:35 | 15:05 | 3h 30m | Boeing 737-800 | | Sat, Oct 24 | UA 2337 | United Airlines | 18:00 | 20:34 | 3h 34m | Boeing 737-800 | | Sun, Oct 25 | UA 637 | United Airlines | 08:30 | 11:01 | 3h 31m | Boeing 737 MAX 9 | | Sun, Oct 25 | UA 2746 | United Airlines | 12:35 | 15:05 | 3h 30m | Boeing 737-800 | | Sun, Oct 25 | UA 2337 | United Airlines | 17:33 | 20:07 | 3h 34m | Boeing 737 MAX 8 | | Mon, Oct 26 | UA 637 | United Airlines | 08:30 | 11:01 | 3h 31m | Boeing 737 MAX 9 | | Mon, Oct 26 | UA 2746 | United Airlines | 12:35 | 15:05 | 3h 30m | Boeing 737-800 | | Mon, Oct 26 | UA 2337 | United Airlines | 17:33 | 20:07 | 3h 34m | Boeing 737 MAX 8 | | Tue, Oct 27 | UA 637 | United Airlines | 08:30 | 11:01 | 3h 31m | Boeing 737 MAX 9 | | Tue, Oct 27 | UA 2746 | United Airlines | 12:35 | 15:05 | 3h 30m | Boeing 737-800 | | Tue, Oct 27 | UA 2337 | United Airlines | 17:33 | 20:07 | 3h 34m | Boeing 737 MAX 8 | | Wed, Oct 28 | UA 637 | United Airlines | 08:30 | 11:01 | 3h 31m | Boeing 737 MAX 9 | | Wed, Oct 28 | UA 2746 | United Airlines | 12:35 | 15:05 | 3h 30m | Boeing 737-800 | | Wed, Oct 28 | UA 2337 | United Airlines | 17:33 | 20:07 | 3h 34m | Boeing 737 MAX 8 | | Thu, Oct 29 | UA 637 | United Airlines | 08:30 | 11:01 | 3h 31m | Boeing 737 MAX 9 | | Thu, Oct 29 | UA 2746 | United Airlines | 12:35 | 15:05 | 3h 30m | Boeing 737-800 | | Thu, Oct 29 | UA 2337 | United Airlines | 17:33 | 20:07 | 3h 34m | Boeing 737 MAX 8 | Showing all 21 scheduled IAD to AUS 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 IAD to AUS date on the interactive map ## Aircraft on the Washington to Austin nonstop United Airlines flies the departures in the schedule table on this page with the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md), the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md), and the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full IAD to AUS nonstop schedule This page carries the full IAD to AUS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each IAD to AUS nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See IAD to AUS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Washington to Austin nonstop Carriers operating IAD to AUS nonstop in the current schedule. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) See IAD to AUS on the interactive map → ## Frequently asked questions about IAD to AUS **How long is the flight from Washington (IAD) to Austin (AUS)?** Scheduled flight times from Washington (IAD) to Austin (AUS) run from 3h 30m to 3h 43m across the departures in the schedule table on this page. The nonstop covers about 1,295 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from IAD to AUS?** United Airlines is currently the only airline flying IAD to AUS nonstop. 2LNR doesn't show award or upgrade space for it on IAD to AUS, so this page carries the schedule rather than a space claim. **How many flights a week are there from IAD to AUS?** About 21 nonstop flights a week run between Washington (IAD) and Austin (AUS) in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from IAD to AUS depart?** Scheduled IAD to AUS nonstops in the next 7 days with service leave between 08:30 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 AUS nonstop?** In the schedule table on this page, IAD to AUS nonstops fly as UA 637, UA 2337, UA 2746, and UA 6122 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on IAD to AUS?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on IAD to AUS. The page carries the full IAD to AUS nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [AUS to IAD nonstop flights](https://2lnr.com/routes/aus-iad.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Washington (IAD)](https://2lnr.com/routes/iad.md), or [every route from Austin (AUS)](https://2lnr.com/routes/aus.md). Nonstops to Austin (AUS) from other airports within 150 miles of Washington (IAD): - [Washington (DCA) to Austin (AUS)](https://2lnr.com/routes/dca-aus.md), 23 miles from IAD - [Philadelphia (PHL) to Austin (AUS)](https://2lnr.com/routes/phl-aus.md), 134 miles from IAD Nonstops from Washington (IAD) to other airports within 150 miles of Austin (AUS): - [Washington (IAD) to San Antonio (SAT)](https://2lnr.com/routes/iad-sat.md), 66 miles from AUS - [Washington (IAD) to Houston (IAH)](https://2lnr.com/routes/iad-iah.md), 140 miles from AUS Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full IAD to AUS nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)