Phoenix (PHX) to Grand Junction (GJT): On-Time Performance
Data through May 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
- 10 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 34m
- scheduled
- Distance
- 438 mi
Best airline from PHX to GJT
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 85% | 10 min | 0.2% | 1,914 |
| Envoy Air | 73% | 10 min | 1.0% | 97 |
Monthly on-time trend
Best time to fly from PHX to GJT
Aim for departures around 12 p.m. (93% on-time); avoid 4 p.m. departures (80%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 12 min |
| Tuesday | 87% | 8 min |
| Wednesdaybest | 90% | 8 min |
| Thursday | 85% | 8 min |
| Friday | 80% | 12 min |
| Saturday | 81% | 12 min |
| Sunday | 83% | 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 aircraft27%
- Airline operations61%
- National airspace system10%
- Weather3%
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 2024-06 and 2026-05. The average arrival delay across completed flights was 10 minutes.
- Which airline is most reliable from PHX to GJT?
- SkyWest Airlines has the best on-time record on this route at 85%, based on 1,914 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 4 p.m. have the worst (80%). 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 34m 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 2024-06 and 2026-05, 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 2,011 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.