GTF to AZA flight delays & on-time performance
Nonstop flights from Great Falls International Airport to Mesa Gateway Airport · 978 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GTF or AZA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Great Falls (GTF) to Phoenix (AZA) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 9% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (88% on time); around 9pm did worst (71%).
- Sunday was the most reliable day to fly (76% on time) and Thursday the least (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
Which airline is most on time from GTF to AZA?
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 | 74% | 0.0% | 28 min | 8.8% | 91 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am88%16 flights
- 8pm64%14 flights
- 9pm71%34 flights
- 10pm80%10 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday0%0.0% cancelled
- Tuesday100%0.0% cancelled
- Thursday71%0.0% cancelled
- Saturday67%0.0% cancelled
- Sunday76%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)48%
- Late-arriving aircraft43%
- Air traffic control & airport congestion5%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
GTF to AZA: common questions
- How often are GTF to AZA flights on time?
- 74% 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 Great Falls to Phoenix cancelled?
- 0.0% of scheduled flights were cancelled (0 of 91).
- How long are typical delays?
- Across all flights the average arrival delay was 28 min (early arrivals count as zero). Flights that were late arrived 99 min behind schedule on average, and 8.8% of flights were an hour or more late.
- How long is taxi time at GTF?
- Flights on this route spent 10 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AZA to GTF — 79% on time
More flights from Great Falls
More flights to Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: GTF → AZA, nonstop flights by US airlines that report to the DOT. How we calculate this.