--- title: "Denver (DEN) to Austin (AUS) flights: who flies it" description: "Delta Air Lines, United Airlines and Frontier Airlines fly nonstop from DEN to AUS, about 56 flights a week. Upgrade and award space by date on 2LNR, next 14 days free." canonical: "https://2lnr.com/routes/den-aus" url: "https://2lnr.com/routes/den-aus.md" date_modified: "2026-10-18T05:10:47Z" --- # Denver to Austin (DEN-AUS): nonstop upgrade & award space United Airlines, Delta Air Lines, and Frontier Airlines fly nonstop between Denver (DEN) and Austin (AUS), roughly 56 times a week. The timetable below shows the nonstop scheduled at 2h 12m to 2h 24m 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. See DEN to AUS on the interactive map [Get started free](https://2lnr.com/login) 56 Flights a week, 4-week average 2h 12m to 2h 24m Scheduled flight time 776 mi Nonstop distance Free To get started ## Denver to Austin flight schedule Scheduled nonstop departures for DEN to AUS starting October 24, 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 Denver (DEN) to Austin (AUS) | Date | Flight | Airline | Departs DEN | Arrives AUS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sat, Oct 24 | UA 1026 | United Airlines | 09:40 | 12:55 | 2h 15m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md) | | Sat, Oct 24 | DL 3876 | Delta Air Lines | 12:46 | 16:02 | 2h 16m | [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md) | | Sat, Oct 24 | UA 2270 | United Airlines | 13:43 | 16:57 | 2h 14m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Sat, Oct 24 | F9 1816 | Frontier Airlines | 16:13 | 19:26 | 2h 13m | [Airbus A321](https://2lnr.com/seatmaps/f9/a321.md) | | Sat, Oct 24 | UA 1942 | United Airlines | 17:36 | 20:48 | 2h 12m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Sat, Oct 24 | UA 1943 | United Airlines | 20:45 | 23:59 | 2h 14m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Sun, Oct 25 | UA 456 | United Airlines | 07:55 | 11:08 | 2h 13m | Boeing 737-800 | | Sun, Oct 25 | UA 1026 | United Airlines | 09:40 | 12:55 | 2h 15m | Boeing 737 MAX 9 | | Sun, Oct 25 | DL 3876 | Delta Air Lines | 09:41 | 13:05 | 2h 24m | Embraer E175 | | Sun, Oct 25 | UA 2270 | United Airlines | 13:43 | 16:57 | 2h 14m | Boeing 737-800 | | Sun, Oct 25 | F9 1816 | Frontier Airlines | 15:35 | 18:48 | 2h 13m | [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md) | | Sun, Oct 25 | UA 1899 | United Airlines | 15:35 | 18:49 | 2h 14m | Boeing 737-900 | | Sun, Oct 25 | UA 1942 | United Airlines | 17:36 | 20:48 | 2h 12m | Boeing 737-900 | | Sun, Oct 25 | DL 3669 | Delta Air Lines | 20:21 | 23:37 | 2h 16m | Embraer E175 | | Mon, Oct 26 | UA 456 | United Airlines | 07:55 | 11:08 | 2h 13m | Boeing 737-900 | | Mon, Oct 26 | UA 1026 | United Airlines | 09:40 | 12:55 | 2h 15m | Boeing 737 MAX 9 | | Mon, Oct 26 | DL 3876 | Delta Air Lines | 09:41 | 13:05 | 2h 24m | Embraer E175 | | Mon, Oct 26 | UA 2270 | United Airlines | 13:43 | 16:57 | 2h 14m | Boeing 737-800 | | Mon, Oct 26 | UA 1899 | United Airlines | 15:35 | 18:49 | 2h 14m | Boeing 737-900 | | Mon, Oct 26 | F9 1816 | Frontier Airlines | 16:13 | 19:26 | 2h 13m | Airbus A320neo | | Mon, Oct 26 | UA 1942 | United Airlines | 17:36 | 20:48 | 2h 12m | Boeing 737-900 | | Mon, Oct 26 | DL 3669 | Delta Air Lines | 20:21 | 23:37 | 2h 16m | Embraer E175 | | Tue, Oct 27 | UA 456 | United Airlines | 07:55 | 11:08 | 2h 13m | Boeing 737-800 | | Tue, Oct 27 | UA 1026 | United Airlines | 09:40 | 12:55 | 2h 15m | Boeing 737 MAX 9 | | Tue, Oct 27 | DL 3876 | Delta Air Lines | 09:41 | 13:05 | 2h 24m | Embraer E175 | | Tue, Oct 27 | UA 2270 | United Airlines | 13:43 | 16:57 | 2h 14m | Boeing 737-800 | | Tue, Oct 27 | UA 1899 | United Airlines | 15:35 | 18:49 | 2h 14m | Boeing 737-900 | | Tue, Oct 27 | F9 1816 | Frontier Airlines | 16:14 | 19:26 | 2h 12m | Airbus A320neo | | Tue, Oct 27 | UA 1942 | United Airlines | 17:36 | 20:48 | 2h 12m | Boeing 737-900 | | Tue, Oct 27 | DL 3669 | Delta Air Lines | 20:21 | 23:37 | 2h 16m | Embraer E175 | | Wed, Oct 28 | UA 456 | United Airlines | 07:55 | 11:08 | 2h 13m | Boeing 737-800 | | Wed, Oct 28 | UA 1026 | United Airlines | 09:40 | 12:55 | 2h 15m | Boeing 737 MAX 9 | | Wed, Oct 28 | DL 3876 | Delta Air Lines | 09:41 | 13:05 | 2h 24m | Embraer E175 | | Wed, Oct 28 | UA 2270 | United Airlines | 13:45 | 16:58 | 2h 13m | Boeing 737-800 | | Wed, Oct 28 | UA 1899 | United Airlines | 15:35 | 18:49 | 2h 14m | Boeing 737-900 | | Wed, Oct 28 | F9 1816 | Frontier Airlines | 16:14 | 19:26 | 2h 12m | Airbus A320neo | | Wed, Oct 28 | UA 1942 | United Airlines | 17:36 | 20:48 | 2h 12m | Boeing 737-900 | | Wed, Oct 28 | DL 3669 | Delta Air Lines | 20:21 | 23:37 | 2h 16m | Embraer E175 | | Thu, Oct 29 | UA 456 | United Airlines | 07:55 | 11:08 | 2h 13m | Boeing 737-800 | | Thu, Oct 29 | UA 1026 | United Airlines | 09:40 | 12:55 | 2h 15m | Boeing 737 MAX 9 | Showing the first 40 of 54 scheduled DEN to AUS departures across 7 days with service, starting October 24, 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 DEN to AUS date on the interactive map ## Aircraft on the Denver to Austin nonstop In the schedule table on this page, United Airlines flies the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.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), and the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/ua/737-max-8.md). Delta Air Lines flies the [Embraer E175](https://2lnr.com/seatmaps/dl/e175.md). Frontier Airlines flies the [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md) and the [Airbus A321](https://2lnr.com/seatmaps/f9/a321.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Confirmed upgrade & award space on DEN to AUS departures 2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Denver to Austin 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 Denver to Austin 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 DEN to AUS 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 DEN to AUS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Denver to Austin nonstop Carriers operating DEN to AUS 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 DEN to AUS on the interactive map → ## Frequently asked questions about DEN to AUS **How long is the flight from Denver (DEN) to Austin (AUS)?** Scheduled flight times from Denver (DEN) to Austin (AUS) run from 2h 12m to 2h 24m 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 DEN to AUS?** United Airlines, Delta Air Lines, and Frontier Airlines fly DEN to AUS nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines. **How many flights a week are there from DEN to AUS?** About 56 nonstop flights a week run between Denver (DEN) and Austin (AUS) 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 DEN to AUS depart?** Scheduled DEN to AUS nonstops in the next 7 days with service leave between 07:55 and 20:45, local time at Denver. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate DEN to AUS nonstop?** The schedule table on this page lists 9 flight numbers for DEN to AUS nonstops, including UA 456, UA 1026, UA 1899, UA 1942, and UA 2270 on United Airlines; DL 3669 and DL 3876 on Delta Air Lines; and F9 1816 on Frontier Airlines. The table lists each departure by date with its times and aircraft. **How do I check upgrade or award availability on DEN to AUS?** Open the DEN to AUS 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 [AUS to DEN upgrade and award space](https://2lnr.com/routes/aus-den.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 Denver (DEN)](https://2lnr.com/routes/den.md), or [every route from Austin (AUS)](https://2lnr.com/routes/aus.md). Nonstops to Austin (AUS) from other airports within 150 miles of Denver (DEN): - [Aspen (ASE) to Austin (AUS)](https://2lnr.com/routes/ase-aus.md), 124 miles from DEN Nonstops from Denver (DEN) to other airports within 150 miles of Austin (AUS): - [Denver (DEN) to San Antonio (SAT)](https://2lnr.com/routes/den-sat.md), 66 miles from AUS - [Denver (DEN) to Houston (IAH)](https://2lnr.com/routes/den-iah.md), 140 miles from AUS 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 DEN to AUS 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. 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