Route
GEG → SLC
Spokane International Airport Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 90.4%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,668
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 41%
- Extreme weather 11%
- Air traffic control & airport 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.5% | 137 |
| October 2025 | 89.0% | 146 |
| November 2025 | 91.8% | 135 |
| December 2025 | 93.2% | 147 |
| January 2026 | 87.3% | 120 |
| February 2026 | 91.4% | 106 |
| March 2026 | 89.3% | 144 |
| April 2026 | 95.2% | 146 |
| May 2026 | 95.3% | 149 |
| June 2026 | 91.0% | 146 |
| July 2026 | 87.3% | 151 |
| August 2026 | 83.0% | 141 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 974 | 87.8% | 0.7% | 88 min |
| SkyWest Airlines | 694 | 94.1% | 0.4% | 77 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1440
7% late · 365 flights
-
DL1452
15% late · 322 flights
-
DL1503
16% late · 191 flights
-
OO3787
5% late · 133 flights
-
OO4457
8% late · 115 flights
-
OO4444
3% late · 86 flights
-
OO3706
12% late · 84 flights
-
OO3963
5% late · 62 flights
-
OO3699
6% late · 50 flights
-
DL1024
9% late · 44 flights
-
OO3726
0% late · 36 flights
-
OO3623
10% late · 31 flights
-
OO3795
6% late · 31 flights
-
OO4142
0% late · 24 flights
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