Route
SLC → GEG
Salt Lake City International Airport Spokane International Airport
How punctual is this route?
- On-time arrivals
- 85.9%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,668
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 66%
- Air traffic control & airport 13%
- Late-arriving aircraft 12%
- Extreme weather 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.9% | 137 |
| October 2025 | 89.6% | 146 |
| November 2025 | 88.0% | 135 |
| December 2025 | 83.6% | 147 |
| January 2026 | 88.8% | 120 |
| February 2026 | 85.6% | 106 |
| March 2026 | 89.4% | 144 |
| April 2026 | 89.0% | 146 |
| May 2026 | 88.6% | 149 |
| June 2026 | 82.8% | 146 |
| July 2026 | 78.1% | 151 |
| August 2026 | 81.4% | 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 | 81.1% | 0.6% | 77 min |
| SkyWest Airlines | 694 | 92.7% | 0.1% | 67 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1452
18% late · 322 flights
-
DL1466
19% late · 255 flights
-
DL1503
21% late · 193 flights
-
OO3787
4% late · 133 flights
-
OO4457
11% late · 115 flights
-
DL3222
17% late · 109 flights
-
OO4444
2% late · 86 flights
-
OO3706
14% late · 84 flights
-
OO3963
10% late · 62 flights
-
OO3699
6% late · 50 flights
-
DL1024
16% late · 44 flights
-
OO3726
8% late · 36 flights
-
OO3623
16% late · 31 flights
-
OO3795
3% late · 31 flights
-
OO4142
0% late · 24 flights
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