Spokane (GEG) to Phoenix (PHX): On-Time Performance
Data through July 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 85% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 70%), which matters most in the rough months.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 3.4
- last 12 months
- Duration
- 2h 40m
- scheduled
- Distance
- 1,020 mi
Best airline from GEG to PHX
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 87% | 7 min | 0.2% | 1,322 |
| American Airlines | 84% | 21 min | 0.2% | 1,246 |
Monthly on-time trend
Best time to fly from GEG to PHX
Aim for departures around 5 a.m. (98% on-time); avoid 6 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 13 min |
| Tuesday | 86% | 10 min |
| Wednesday | 87% | 13 min |
| Thursday | 85% | 8 min |
| Friday | 84% | 17 min |
| Saturdaybest | 90% | 16 min |
| Sunday | 83% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations46%
- National airspace system9%
- Weather6%
Frequently asked questions
- How often are flights from GEG to PHX delayed?
- 15% of GEG–PHX 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 14 minutes.
- Which airline is most reliable from GEG to PHX?
- Southwest Airlines has the best on-time record on this route at 87%, based on 1,322 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 6 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 15% of the time.
- How often are GEG to PHX 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 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 2,623 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.