Phoenix (PHX) to Grand Junction (GJT): On-Time Performance
Data through July 2026
When you fly PHX to GJT matters as much as anything else about the booking: the route swung from 95% on-time in September 2024 to just 70% in March 2026. Across the full period the route averages 84% on-time against a national 78%.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 35m
- scheduled
- Distance
- 438 mi
Best airline from PHX to GJT
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 84% | 11 min | 0.2% | 2,017 |
| Envoy Air | 71% | 11 min | 1.2% | 86 |
Monthly on-time trend
Best time to fly from PHX to GJT
Aim for departures around 12 p.m. (93% on-time); avoid 3 p.m. departures (78%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 13 min |
| Tuesday | 87% | 8 min |
| Wednesdaybest | 89% | 8 min |
| Thursday | 85% | 9 min |
| Friday | 80% | 15 min |
| Saturday | 79% | 12 min |
| Sunday | 82% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft28%
- Airline operations59%
- National airspace system10%
- Weather2%
Frequently asked questions
- How often are flights from PHX to GJT delayed?
- 16% of PHX–GJT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from PHX to GJT?
- SkyWest Airlines has the best on-time record on this route at 84%, based on 2,017 flights. 2 airlines flew PHX–GJT frequently enough to compare in this period.
- What is the best time of day to fly from PHX to GJT?
- Departures around 12 p.m. have the best record (93% on-time), while departures around 3 p.m. have the worst (78%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHX to GJT?
- The scheduled PHX–GJT flight time averages 1h 35m over 438 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are PHX to GJT flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from PHX to GJT?
- March 2026 was the roughest month in this dataset, with only 70% of arrivals on time. The best was September 2024 at 95%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 2,103 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.