--- title: "Tucson (TUS) to Denver (DEN) flights: who flies it" description: "United Airlines flies Tucson (TUS) to Denver (DEN) nonstop about 46 times a week, scheduled at 1h 57m to 2h 13m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/tus-den" url: "https://2lnr.com/routes/tus-den.md" date_modified: "2026-10-18T05:10:47Z" --- # Tucson to Denver (TUS-DEN): nonstop flights and who flies them United Airlines flies nonstop between Tucson (TUS) and Denver (DEN), roughly 46 times a week. The timetable below shows the nonstop scheduled at 1h 57m to 2h 13m for the 638 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 TUS to DEN on the interactive map [Get started free](https://2lnr.com/login) 46 Flights a week, 4-week average 1h 57m to 2h 13m Scheduled flight time 638 mi Nonstop distance Free To get started ## Tucson to Denver flight schedule Scheduled nonstop departures for TUS to DEN 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 Tucson (TUS) to Denver (DEN) | Date | Flight | Airline | Departs TUS | Arrives DEN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 1540 | United Airlines | 05:15 | 08:12 | 1h 57m | [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md) | | Thu, Oct 22 | UA 1656 | United Airlines | 09:45 | 12:43 | 1h 58m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Thu, Oct 22 | UA 2089 | United Airlines | 13:40 | 16:43 | 2h 3m | Boeing 737-800 | | Thu, Oct 22 | UA 5860 | United Airlines | 17:38 | 20:51 | 2h 13m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Fri, Oct 23 | UA 1540 | United Airlines | 05:15 | 08:12 | 1h 57m | Boeing 737-800 | | Fri, Oct 23 | UA 1656 | United Airlines | 09:45 | 12:43 | 1h 58m | Airbus A319 | | Fri, Oct 23 | UA 2089 | United Airlines | 13:40 | 16:43 | 2h 3m | Boeing 737-800 | | Sat, Oct 24 | UA 1540 | United Airlines | 05:15 | 08:12 | 1h 57m | Boeing 737-800 | | Sat, Oct 24 | UA 1656 | United Airlines | 09:15 | 12:13 | 1h 58m | Airbus A319 | | Sat, Oct 24 | UA 2089 | United Airlines | 13:40 | 16:43 | 2h 3m | Boeing 737-800 | | Sun, Oct 25 | UA 1327 | United Airlines | 05:30 | 08:27 | 1h 57m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Sun, Oct 25 | UA 5745 | United Airlines | 05:50 | 08:53 | 2h 3m | Embraer E175 | | Sun, Oct 25 | UA 598 | United Airlines | 07:15 | 10:12 | 1h 57m | Boeing 737-800 | | Sun, Oct 25 | UA 1671 | United Airlines | 09:42 | 12:39 | 1h 57m | Airbus A319 | | Sun, Oct 25 | UA 2671 | United Airlines | 13:29 | 16:32 | 2h 3m | Boeing 737-800 | | Sun, Oct 25 | UA 2681 | United Airlines | 13:34 | 16:31 | 1h 57m | Boeing 737-900 | | Sun, Oct 25 | UA 6010 | United Airlines | 15:15 | 18:24 | 2h 9m | Embraer E175 | | Sun, Oct 25 | UA 624 | United Airlines | 16:22 | 19:19 | 1h 57m | Airbus A319 | | Mon, Oct 26 | UA 1327 | United Airlines | 05:30 | 08:27 | 1h 57m | Boeing 737-900 | | Mon, Oct 26 | UA 5745 | United Airlines | 05:50 | 08:53 | 2h 3m | Embraer E175 | | Mon, Oct 26 | UA 5738 | United Airlines | 07:15 | 10:22 | 2h 7m | Embraer E175 | | Mon, Oct 26 | UA 1671 | United Airlines | 09:42 | 12:40 | 1h 58m | Airbus A319 | | Mon, Oct 26 | UA 2671 | United Airlines | 13:29 | 16:32 | 2h 3m | Boeing 737-800 | | Mon, Oct 26 | UA 6010 | United Airlines | 15:15 | 18:24 | 2h 9m | Embraer E175 | | Mon, Oct 26 | UA 624 | United Airlines | 16:22 | 19:19 | 1h 57m | Airbus A319 | | Tue, Oct 27 | UA 1327 | United Airlines | 05:30 | 08:27 | 1h 57m | [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md) | | Tue, Oct 27 | UA 5745 | United Airlines | 05:50 | 08:53 | 2h 3m | Embraer E175 | | Tue, Oct 27 | UA 5738 | United Airlines | 07:15 | 10:22 | 2h 7m | Embraer E175 | | Tue, Oct 27 | UA 5808 | United Airlines | 09:37 | 12:45 | 2h 8m | Embraer E175 | | Tue, Oct 27 | UA 2671 | United Airlines | 13:29 | 16:32 | 2h 3m | Boeing 737-800 | | Tue, Oct 27 | UA 2681 | United Airlines | 13:30 | 16:27 | 1h 57m | [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md) | | Tue, Oct 27 | UA 6010 | United Airlines | 15:15 | 18:24 | 2h 9m | Embraer E175 | | Tue, Oct 27 | UA 6050 | United Airlines | 16:37 | 19:45 | 2h 8m | Embraer E175 | | Wed, Oct 28 | UA 1327 | United Airlines | 05:30 | 08:27 | 1h 57m | Airbus A320 | | Wed, Oct 28 | UA 5745 | United Airlines | 05:50 | 08:53 | 2h 3m | Embraer E175 | | Wed, Oct 28 | UA 5738 | United Airlines | 07:15 | 10:22 | 2h 7m | Embraer E175 | | Wed, Oct 28 | UA 5808 | United Airlines | 09:37 | 12:45 | 2h 8m | Embraer E175 | | Wed, Oct 28 | UA 2671 | United Airlines | 13:29 | 16:32 | 2h 3m | Boeing 737-800 | | Wed, Oct 28 | UA 2681 | United Airlines | 13:30 | 16:27 | 1h 57m | Boeing 737 MAX 9 | | Wed, Oct 28 | UA 6010 | United Airlines | 15:15 | 18:24 | 2h 9m | Embraer E175 | Showing the first 40 of 41 scheduled TUS to DEN departures across 7 days with service, starting October 22, 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 TUS to DEN date on the interactive map ## Aircraft on the Tucson to Denver nonstop United Airlines flies the departures in the schedule table on this page with the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), the [Boeing 737-800](https://2lnr.com/seatmaps/ua/737-800.md), the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md), the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md), the [Airbus A320](https://2lnr.com/seatmaps/ua/a320.md), and the [Boeing 737 MAX 9](https://2lnr.com/seatmaps/ua/737-max-9.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full TUS to DEN nonstop schedule This page carries the full TUS to DEN nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each TUS to DEN nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See TUS to DEN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Tucson to Denver nonstop Carriers operating TUS to DEN 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 TUS to DEN on the interactive map → ## Frequently asked questions about TUS to DEN **How long is the flight from Tucson (TUS) to Denver (DEN)?** Scheduled flight times from Tucson (TUS) to Denver (DEN) run from 1h 57m to 2h 13m across the departures in the schedule table on this page. The nonstop covers about 638 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from TUS to DEN?** United Airlines is currently the only airline flying TUS to DEN nonstop. 2LNR doesn't show award or upgrade space for it on TUS to DEN, so this page carries the schedule rather than a space claim. **How many flights a week are there from TUS to DEN?** About 46 nonstop flights a week run between Tucson (TUS) and Denver (DEN) 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 TUS to DEN depart?** Scheduled TUS to DEN nonstops in the next 7 days with service leave between 05:15 and 17:38, local time at Tucson. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate TUS to DEN nonstop?** The schedule table on this page lists 15 flight numbers for TUS to DEN nonstops, including UA 1327, UA 1540, UA 1656, UA 2089, UA 2671, UA 2681, UA 5745, and UA 6010 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on TUS to DEN?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on TUS to DEN. The page carries the full TUS to DEN nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [DEN to TUS nonstop flights](https://2lnr.com/routes/den-tus.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Tucson (TUS)](https://2lnr.com/routes/tus.md), or [every route from Denver (DEN)](https://2lnr.com/routes/den.md). Nonstops to Denver (DEN) from other airports within 150 miles of Tucson (TUS): - [Phoenix (PHX) to Denver (DEN)](https://2lnr.com/routes/phx-den.md), 110 miles from TUS 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 TUS to DEN 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)