Route
SEA → GTF
Seattle–Tacoma International Airport Great Falls International Airport
512 miles
Return route GTF → SEA →
How punctual is this route?
- On-time arrivals
- 78.5%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 94
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Late-arriving aircraft 33%
- Air traffic control & airport 19%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Mar 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.3% | 30 |
| October 2025 | 66.7% | 3 |
| January 2026 | 88.0% | 25 |
| February 2026 | 73.9% | 23 |
| March 2026 | 58.3% | 13 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 94 | 78.5% | 1.1% | 70 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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