--- title: "Colorado Springs to Mesa flights: who flies COS-AZA" description: "Allegiant Air flies Colorado Springs (COS) to Mesa (AZA) nonstop twice a week, scheduled at 1h 48m to 1h 53m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/cos-aza" url: "https://2lnr.com/routes/cos-aza.md" date_modified: "2026-10-18T05:10:47Z" --- # Colorado Springs to Mesa (COS-AZA): nonstop flights and who flies them Allegiant Air flies nonstop from Colorado Springs (COS) to Mesa (AZA) just twice a week. The timetable below shows the nonstop scheduled at 1h 48m to 1h 53m for the 543 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 COS to AZA on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 1h 48m to 1h 53m Scheduled flight time 543 mi Nonstop distance Free To get started ## Colorado Springs to Mesa flight schedule Scheduled nonstop departures for COS to AZA 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 Colorado Springs (COS) to Mesa (AZA) | Date | Flight | Airline | Departs COS | Arrives AZA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 29 | G4 1590 | Allegiant Air | 18:00 | 18:53 | 1h 53m | [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) | | Sun, Nov 1 | G4 3247 | Allegiant Air | 18:28 | 20:21 | 1h 53m | Airbus A320 | | Thu, Nov 5 | G4 1605 | Allegiant Air | 17:49 | 19:42 | 1h 53m | Airbus A320 | | Thu, Nov 12 | G4 1605 | Allegiant Air | 17:49 | 19:42 | 1h 53m | Airbus A320 | | Sun, Nov 15 | G4 3247 | Allegiant Air | 17:49 | 19:42 | 1h 53m | Airbus A320 | | Thu, Nov 19 | G4 637 | Allegiant Air | 16:26 | 18:14 | 1h 48m | Airbus A320 | | Sun, Nov 22 | G4 637 | Allegiant Air | 16:26 | 18:14 | 1h 48m | Airbus A320 | Showing all 7 scheduled COS to AZA 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 COS to AZA date on the interactive map ## Aircraft on the Colorado Springs to Mesa nonstop Allegiant Air flies the [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full COS to AZA nonstop schedule This page carries the full COS to AZA nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each COS to AZA nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See COS to AZA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Colorado Springs to Mesa nonstop Carriers operating COS to AZA nonstop in the current schedule. - [Allegiant Air (G4) route map](https://2lnr.com/routes/airlines/g4.md)\ [The aircraft G4 flies](https://2lnr.com/seatmaps/g4.md) See COS to AZA on the interactive map → ## Frequently asked questions about COS to AZA **How long is the flight from Colorado Springs (COS) to Mesa (AZA)?** Scheduled flight times from Colorado Springs (COS) to Mesa (AZA) run from 1h 48m to 1h 53m across the departures in the schedule table on this page. The nonstop covers about 543 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from COS to AZA?** Allegiant Air is currently the only airline flying COS to AZA nonstop. 2LNR doesn't show award or upgrade space for it on COS to AZA, so this page carries the schedule rather than a space claim. **How often does COS to AZA operate?** The COS to AZA nonstop currently runs twice a week, on Allegiant Air. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from COS to AZA depart?** Scheduled COS to AZA nonstops in the next 7 days with service leave between 16:26 and 18:28, local time at Colorado Springs. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate COS to AZA nonstop?** In the schedule table on this page, COS to AZA nonstops fly as G4 637, G4 1590, G4 1605, and G4 3247 on Allegiant Air. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on COS to AZA?** Not on this route: 2LNR doesn't show award or upgrade space for Allegiant Air on COS to AZA. The page carries the full COS to AZA nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [AZA to COS nonstop flights](https://2lnr.com/routes/aza-cos.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Colorado Springs (COS)](https://2lnr.com/routes/cos.md), or [every route from Mesa (AZA)](https://2lnr.com/routes/aza.md). - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full COS to AZA 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)