--- title: "COS to SNA flights: who flies it, and when" description: "Allegiant Air flies Colorado Springs (COS) to Santa Ana (SNA) nonstop once a week, scheduled at 2h 29m to 2h 32m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/cos-sna" url: "https://2lnr.com/routes/cos-sna.md" date_modified: "2026-10-18T05:10:47Z" --- # Colorado Springs to Santa Ana (COS-SNA): nonstop flights and who flies them Allegiant Air flies nonstop from Colorado Springs (COS) to Santa Ana (SNA) just once a week. In the timetable below it flies as G4 1597, G4 1603, and G4 3237, scheduled at 2h 29m to 2h 32m for the 814 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See COS to SNA on the interactive map [Get started free](https://2lnr.com/login) 1 Flights a week, 4-week average 2h 29m to 2h 32m Scheduled flight time 814 mi Nonstop distance Free To get started ## Colorado Springs to Santa Ana flight schedule Scheduled nonstop departures for COS to SNA 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 Colorado Springs (COS) to Santa Ana (SNA) | Date | Flight | Airline | Departs COS | Arrives SNA | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Mon, Oct 26 | G4 1603 | Allegiant Air | 14:06 | 15:37 | 2h 31m | [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) | | Mon, Nov 2 | G4 1603 | Allegiant Air | 14:06 | 15:37 | 2h 31m | Airbus A320 | | Mon, Nov 9 | G4 1603 | Allegiant Air | 13:49 | 15:18 | 2h 29m | Airbus A320 | | Mon, Nov 16 | G4 1603 | Allegiant Air | 13:49 | 15:18 | 2h 29m | Airbus A320 | | Fri, Nov 20 | G4 3237 | Allegiant Air | 17:37 | 19:09 | 2h 32m | Airbus A320 | | Mon, Nov 23 | G4 1597 | Allegiant Air | 17:37 | 19:09 | 2h 32m | Airbus A320 | | Wed, Nov 25 | G4 3237 | Allegiant Air | 17:07 | 18:39 | 2h 32m | Airbus A320 | Showing all 7 scheduled COS to SNA departures across 7 days with service, starting October 22, 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 SNA date on the interactive map ## Aircraft on the Colorado Springs to Santa Ana 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 SNA nonstop schedule This page carries the full COS to SNA 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 SNA nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See COS to SNA on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Colorado Springs to Santa Ana nonstop Carriers operating COS to SNA 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 SNA on the interactive map → ## Frequently asked questions about COS to SNA **How long is the flight from Colorado Springs (COS) to Santa Ana (SNA)?** Scheduled flight times from Colorado Springs (COS) to Santa Ana (SNA) run from 2h 29m to 2h 32m across the departures in the schedule table on this page. The nonstop covers about 814 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from COS to SNA?** Allegiant Air is currently the only airline flying COS to SNA nonstop. 2LNR doesn't show award or upgrade space for it on COS to SNA, so this page carries the schedule rather than a space claim. **How often does COS to SNA operate?** The COS to SNA nonstop currently runs once 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 SNA depart?** Scheduled COS to SNA nonstops in the next 7 days with service leave between 13:49 and 17:37, 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 SNA nonstop?** In the schedule table on this page, COS to SNA nonstops fly as G4 1597, G4 1603, and G4 3237 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 SNA?** Not on this route: 2LNR doesn't show award or upgrade space for Allegiant Air on COS to SNA. The page carries the full COS to SNA nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [SNA to COS nonstop flights](https://2lnr.com/routes/sna-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 Santa Ana (SNA)](https://2lnr.com/routes/sna.md). Nonstops to Santa Ana (SNA) from other airports within 150 miles of Colorado Springs (COS): - [Denver (DEN) to Santa Ana (SNA)](https://2lnr.com/routes/den-sna.md), 73 miles from COS 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 COS to SNA 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)