--- title: "Mesa (AZA) to Great Falls (GTF) flights: who flies it" description: "Allegiant Air flies Mesa (AZA) to Great Falls (GTF) nonstop twice a week as G4 664, scheduled at 2h 31m to 2h 32m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/aza-gtf" url: "https://2lnr.com/routes/aza-gtf.md" date_modified: "2026-10-18T05:10:47Z" --- # Mesa to Great Falls (AZA-GTF): nonstop flights and who flies them Allegiant Air flies nonstop from Mesa (AZA) to Great Falls (GTF) just twice a week. In the timetable below it flies as G4 664, scheduled at 2h 31m to 2h 32m for the 979 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 AZA to GTF on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 31m to 2h 32m Scheduled flight time 979 mi Nonstop distance Free To get started ## Mesa to Great Falls flight schedule Scheduled nonstop departures for AZA to GTF 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 Mesa (AZA) to Great Falls (GTF) | Date | Flight | Airline | Departs AZA | Arrives GTF | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Sun, Oct 25 | G4 664 | Allegiant Air | 05:30 | 09:01 | 2h 31m | [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) | | Thu, Oct 29 | G4 664 | Allegiant Air | 05:30 | 09:01 | 2h 31m | Airbus A320 | | Sun, Nov 1 | G4 664 | Allegiant Air | 06:00 | 08:32 | 2h 32m | Airbus A320 | | Thu, Nov 5 | G4 664 | Allegiant Air | 06:00 | 08:32 | 2h 32m | Airbus A320 | | Sun, Nov 8 | G4 664 | Allegiant Air | 06:00 | 08:32 | 2h 32m | Airbus A320 | | Thu, Nov 12 | G4 664 | Allegiant Air | 06:00 | 08:32 | 2h 32m | Airbus A320 | | Sun, Nov 15 | G4 664 | Allegiant Air | 06:00 | 08:32 | 2h 32m | Airbus A320 | Showing all 7 scheduled AZA to GTF 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 AZA to GTF date on the interactive map ## Aircraft on the Mesa to Great Falls 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 AZA to GTF nonstop schedule This page carries the full AZA to GTF nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each AZA to GTF nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See AZA to GTF on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Mesa to Great Falls nonstop Carriers operating AZA to GTF 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 AZA to GTF on the interactive map → ## Frequently asked questions about AZA to GTF **How long is the flight from Mesa (AZA) to Great Falls (GTF)?** Scheduled flight times from Mesa (AZA) to Great Falls (GTF) run from 2h 31m to 2h 32m across the departures in the schedule table on this page. The nonstop covers about 979 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from AZA to GTF?** Allegiant Air is currently the only airline flying AZA to GTF nonstop. 2LNR doesn't show award or upgrade space for it on AZA to GTF, so this page carries the schedule rather than a space claim. **How often does AZA to GTF operate?** The AZA to GTF 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 AZA to GTF depart?** Scheduled AZA to GTF nonstops in the next 7 days with service leave between 05:30 and 06:00, local time at Mesa. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate AZA to GTF nonstop?** Allegiant Air flies G4 664 nonstop from Mesa (AZA) to Great Falls (GTF), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on AZA to GTF?** Not on this route: 2LNR doesn't show award or upgrade space for Allegiant Air on AZA to GTF. The page carries the full AZA to GTF nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [GTF to AZA nonstop flights](https://2lnr.com/routes/gtf-aza.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Mesa (AZA)](https://2lnr.com/routes/aza.md), or [every route from Great Falls (GTF)](https://2lnr.com/routes/gtf.md). Nonstops from Mesa (AZA) to other airports within 150 miles of Great Falls (GTF): - [Mesa (AZA) to Bozeman (BZN)](https://2lnr.com/routes/aza-bzn.md), 118 miles from GTF - [Mesa (AZA) to Missoula (MSO)](https://2lnr.com/routes/aza-mso.md), 133 miles from GTF - [Mesa (AZA) to Kalispell (FCA)](https://2lnr.com/routes/aza-fca.md), 145 miles from GTF 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 AZA to GTF 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)