Route
GEG → DEN
Spokane International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 84.2%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,042
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 34%
- Air traffic control & airport 33%
- Airline (crew, maintenance, cleaning) 26%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.1% | 183 |
| October 2025 | 86.6% | 164 |
| November 2025 | 91.9% | 162 |
| December 2025 | 83.1% | 174 |
| January 2026 | 90.3% | 165 |
| February 2026 | 91.2% | 148 |
| March 2026 | 83.0% | 154 |
| April 2026 | 89.7% | 165 |
| May 2026 | 83.7% | 173 |
| June 2026 | 78.5% | 189 |
| July 2026 | 75.4% | 187 |
| August 2026 | 76.5% | 178 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 859 | 82.4% | 0.1% | 61 min |
| United Airlines | 826 | 85.8% | 0.4% | 91 min |
| SkyWest Airlines | 258 | 86.3% | 1.2% | 109 min |
| Frontier Airlines | 99 | 80.6% | 0.0% | 36 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1255
21% late · 364 flights
-
UA1234
4% late · 293 flights
-
F93358
19% late · 99 flights
-
UA2786
27% late · 81 flights
-
WN2809
22% late · 63 flights
-
WN859
20% late · 60 flights
-
OO5573
14% late · 58 flights
-
WN1758
7% late · 58 flights
-
WN2483
25% late · 57 flights
-
OO4783
7% late · 55 flights
-
OO5896
9% late · 53 flights
-
WN1333
2% late · 52 flights
-
WN1702
26% late · 50 flights
-
WN2881
6% late · 47 flights
-
WN2805
0% late · 46 flights
-
WN1880
43% late · 45 flights
-
OO5721
9% late · 36 flights
-
WN1586
9% late · 33 flights
-
WN1969
27% late · 33 flights
-
WN2253
13% late · 31 flights
-
WN4207
0% late · 31 flights
-
WN3216
20% late · 30 flights
-
UA423
8% late · 25 flights
-
UA1830
0% late · 24 flights
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