AZA to GTF flight delays & on-time performance
Nonstop flights from Mesa Gateway Airport to Great Falls International Airport · 978 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AZA or GTF right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Phoenix (AZA) to Great Falls (GTF) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 7% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (94% on time); around 5pm did worst (74%).
- Thursday was the most reliable day to fly (79% on time) and Sunday the least (79%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (74%).
Which airline is most on time from AZA to GTF?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 79% | 0.0% | 14 min | 6.6% | 91 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am94%16 flights
- 4pm81%21 flights
- 5pm74%34 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday0%0.0% cancelled
- Tuesday100%0.0% cancelled
- Thursday79%0.0% cancelled
- Saturday100%0.0% cancelled
- Sunday79%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)74%
- Late-arriving aircraft17%
- Air traffic control & airport congestion7%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
AZA to GTF: common questions
- How often are AZA to GTF flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Phoenix to Great Falls cancelled?
- 0.0% of scheduled flights were cancelled (0 of 91).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 62 min behind schedule on average, and 6.6% of flights were an hour or more late.
- How long is taxi time at AZA?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GTF to AZA — 74% on time
More flights from Phoenix
More flights to Great Falls
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AZA → GTF, nonstop flights by US airlines that report to the DOT. How we calculate this.