Spokane (GEG) to Phoenix (PHX): On-Time Performance
Data through May 2026
When you fly GEG to PHX matters as much as anything else about the booking: the route swung from 97% on-time in September 2024 to just 76% in January 2026. Across the full period the route averages 86% on-time against a national 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 3.3
- last 12 months
- Duration
- 2h 40m
- scheduled
- Distance
- 1,020 mi
Best airline from GEG to PHX
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 88% | 7 min | 0.2% | 1,252 |
| American Airlines | 84% | 20 min | 0.3% | 1,188 |
Monthly on-time trend
Best time to fly from GEG to PHX
Aim for departures around 5 a.m. (98% on-time); avoid 5 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 14 min |
| Tuesday | 87% | 10 min |
| Wednesday | 88% | 14 min |
| Thursday | 85% | 7 min |
| Friday | 85% | 17 min |
| Saturdaybest | 90% | 12 min |
| Sunday | 83% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations44%
- National airspace system10%
- Weather7%
Frequently asked questions
- How often are flights from GEG to PHX delayed?
- 14% of GEG–PHX 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 14 minutes.
- Which airline is most reliable from GEG to PHX?
- Southwest Airlines has the best on-time record on this route at 88%, based on 1,252 flights. 2 airlines flew GEG–PHX frequently enough to compare in this period.
- What is the best time of day to fly from GEG to PHX?
- Departures around 5 a.m. have the best record (98% on-time), while departures around 5 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GEG to PHX?
- The scheduled GEG–PHX flight time averages 2h 40m over 1,020 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are GEG to PHX flights cancelled?
- 0.3% 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 GEG to PHX?
- January 2026 was the roughest month in this dataset, with only 76% of arrivals on time. The best was September 2024 at 97%. If your dates are flexible, that 21-point gap is worth planning around.
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Based on 2,495 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.