--- title: "Austin (AUS) to Denver (DEN) flights: who flies it" description: "Delta Air Lines, United Airlines and Frontier Airlines fly nonstop from AUS to DEN, about 53 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/aus-den" url: "https://2lnr.com/routes/aus-den.md" date_modified: "2026-10-18T05:10:47Z" --- # Austin to Denver (AUS-DEN): nonstop upgrade & award space United Airlines, Delta Air Lines, and Frontier Airlines fly nonstop between Austin (AUS) and Denver (DEN), roughly 53 times a week. The timetable below shows the nonstop scheduled at 2h 19m to 2h 36m for the 776 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 24, 2026. See AUS to DEN on the interactive map [Get started free](https://2lnr.com/login) 53 Flights a week, 4-week average 2h 19m to 2h 36m Scheduled flight time 776 mi Nonstop distance Free To get started ## Austin to Denver flight schedule Scheduled nonstop departures for AUS to DEN 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 Austin (AUS) to Denver (DEN) | Date | Flight | Airline | Departs AUS | Arrives DEN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | UA 361 | United Airlines | 05:30 | 06:53 | 2h 23m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Fri, Oct 23 | F9 1815 | Frontier Airlines | 06:15 | 07:40 | 2h 25m | [Airbus A320](https://2lnr.com/seatmaps/f9/a320.md) | | Fri, Oct 23 | DL 3876 | Delta Air Lines | 07:25 | 09:01 | 2h 36m | [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md) | | Fri, Oct 23 | UA 595 | United Airlines | 09:02 | 10:21 | 2h 19m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Fri, Oct 23 | UA 779 | United Airlines | 11:06 | 12:29 | 2h 23m | Boeing 737 MAX 8 | | Fri, Oct 23 | UA 1541 | United Airlines | 12:50 | 14:13 | 2h 23m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Fri, Oct 23 | UA 2447 | United Airlines | 15:13 | 16:36 | 2h 23m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Fri, Oct 23 | DL 3669 | Delta Air Lines | 18:06 | 19:41 | 2h 35m | Embraer E175 | | Fri, Oct 23 | UA 439 | United Airlines | 18:06 | 19:40 | 2h 34m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Fri, Oct 23 | F9 2047 | Frontier Airlines | 20:21 | 21:49 | 2h 28m | [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md) | | Sat, Oct 24 | UA 361 | United Airlines | 05:30 | 06:53 | 2h 23m | Boeing 737 MAX 8 | | Sat, Oct 24 | F9 1815 | Frontier Airlines | 06:15 | 07:40 | 2h 25m | Airbus A320 | | Sat, Oct 24 | UA 595 | United Airlines | 09:02 | 10:21 | 2h 19m | Boeing 737-900 | | Sat, Oct 24 | DL 3876 | Delta Air Lines | 10:30 | 12:06 | 2h 36m | Embraer E175 | | Sat, Oct 24 | UA 1541 | United Airlines | 12:50 | 14:13 | 2h 23m | Boeing 737-800 | | Sat, Oct 24 | UA 2447 | United Airlines | 15:13 | 16:36 | 2h 23m | Boeing 737 MAX 9 | | Sat, Oct 24 | F9 2047 | Frontier Airlines | 20:21 | 21:49 | 2h 28m | [Airbus A321](https://2lnr.com/seatmaps/f9/a321.md) | | Sun, Oct 25 | F9 1815 | Frontier Airlines | 06:15 | 07:40 | 2h 25m | Airbus A320 | | Sun, Oct 25 | DL 3876 | Delta Air Lines | 07:25 | 09:01 | 2h 36m | Embraer E175 | | Sun, Oct 25 | UA 476 | United Airlines | 08:36 | 10:00 | 2h 24m | Boeing 737-900 | | Sun, Oct 25 | UA 779 | United Airlines | 11:06 | 12:29 | 2h 23m | Boeing 737 MAX 8 | | Sun, Oct 25 | UA 1541 | United Airlines | 12:50 | 14:13 | 2h 23m | Boeing 737-800 | | Sun, Oct 25 | UA 2447 | United Airlines | 15:13 | 16:36 | 2h 23m | Boeing 737 MAX 9 | | Sun, Oct 25 | DL 3669 | Delta Air Lines | 18:06 | 19:41 | 2h 35m | Embraer E175 | | Sun, Oct 25 | UA 439 | United Airlines | 18:06 | 19:40 | 2h 34m | Boeing 737-800 | | Sun, Oct 25 | F9 2047 | Frontier Airlines | 20:21 | 21:49 | 2h 28m | [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md) | | Mon, Oct 26 | F9 1815 | Frontier Airlines | 06:15 | 07:40 | 2h 25m | Airbus A320 | | Mon, Oct 26 | DL 3876 | Delta Air Lines | 07:25 | 09:01 | 2h 36m | Embraer E175 | | Mon, Oct 26 | UA 476 | United Airlines | 08:36 | 10:00 | 2h 24m | Boeing 737-900 | | Mon, Oct 26 | UA 779 | United Airlines | 11:06 | 12:29 | 2h 23m | Boeing 737 MAX 8 | | Mon, Oct 26 | UA 1541 | United Airlines | 12:50 | 14:13 | 2h 23m | Boeing 737-800 | | Mon, Oct 26 | UA 2447 | United Airlines | 15:13 | 16:36 | 2h 23m | Boeing 737 MAX 9 | | Mon, Oct 26 | UA 439 | United Airlines | 18:00 | 19:25 | 2h 25m | Boeing 737 MAX 9 | | Mon, Oct 26 | DL 3669 | Delta Air Lines | 18:06 | 19:41 | 2h 35m | Embraer E175 | | Mon, Oct 26 | F9 2047 | Frontier Airlines | 20:21 | 21:49 | 2h 28m | Airbus A320neo | | Tue, Oct 27 | DL 3876 | Delta Air Lines | 07:25 | 09:01 | 2h 36m | Embraer E175 | | Tue, Oct 27 | UA 476 | United Airlines | 08:36 | 10:00 | 2h 24m | Boeing 737-900 | | Tue, Oct 27 | UA 779 | United Airlines | 11:06 | 12:29 | 2h 23m | Boeing 737 MAX 8 | | Tue, Oct 27 | UA 1541 | United Airlines | 13:00 | 14:24 | 2h 24m | Boeing 737-800 | | Tue, Oct 27 | UA 2447 | United Airlines | 15:13 | 16:36 | 2h 23m | Boeing 737 MAX 9 | Showing the first 40 of 58 scheduled AUS to DEN 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 AUS to DEN date on the interactive map ## Aircraft on the Austin to Denver nonstop In the schedule table on this page, United Airlines flies the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md), 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 737-900](https://2lnr.com/seatmaps/ua/737-900.md), and the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md). Frontier Airlines flies the [Airbus A320](https://2lnr.com/seatmaps/f9/a320.md), the [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md), the [Airbus A321](https://2lnr.com/seatmaps/f9/a321.md), and the [Airbus A321neo family](https://2lnr.com/seatmaps/f9/a321neo.md). Delta Air Lines flies the [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on AUS to DEN departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Austin to Denver 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 Austin to Denver 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 AUS to DEN 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 AUS to DEN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Austin to Denver nonstop Carriers operating AUS to DEN 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) - [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\ [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.md) See AUS to DEN on the interactive map → ## Frequently asked questions about AUS to DEN **How long is the flight from Austin (AUS) to Denver (DEN)?** Scheduled flight times from Austin (AUS) to Denver (DEN) run from 2h 19m to 2h 36m across the departures in the schedule table on this page. The nonstop covers about 776 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from AUS to DEN?** United Airlines, Delta Air Lines, and Frontier Airlines fly AUS to DEN nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from AUS to DEN?** About 53 nonstop flights a week run between Austin (AUS) and Denver (DEN) in the current schedule, operated by United Airlines, Delta Air Lines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from AUS to DEN depart?** Scheduled AUS to DEN nonstops in the next 7 days with service leave between 05:30 and 20:21, local time at Austin. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate AUS to DEN nonstop?** The schedule table on this page lists 11 flight numbers for AUS to DEN nonstops, including UA 439, UA 779, UA 1541, and UA 2447 on United Airlines; DL 3669 and DL 3876 on Delta Air Lines; and F9 1815 and F9 2047 on Frontier Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on AUS to DEN?** Open the AUS to DEN 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 [DEN to AUS upgrade and award space](https://2lnr.com/routes/den-aus.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 Austin (AUS)](https://2lnr.com/routes/aus.md), or [every route from Denver (DEN)](https://2lnr.com/routes/den.md). Nonstops to Denver (DEN) from other airports within 150 miles of Austin (AUS): - [San Antonio (SAT) to Denver (DEN)](https://2lnr.com/routes/sat-den.md), 66 miles from AUS - [Houston (IAH) to Denver (DEN)](https://2lnr.com/routes/iah-den.md), 140 miles from AUS Nonstops from Austin (AUS) to other airports within 150 miles of Denver (DEN): - [Austin (AUS) to Aspen (ASE)](https://2lnr.com/routes/aus-ase.md), 124 miles from DEN 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 AUS to DEN 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)