Historical on-time performance
Great Falls to Seattle
512 miData through May 2026Source: US DOT · BTS
Flights on GTF–SEA arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 30 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time83%Medianon timep9015 minCancel0.0%Flights30
Why flights run late
Delay causes
- Airline6%
- Weather0%
- Air traffic (NAS)7%
- Late aircraft87%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline67%
- Weather33%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 6 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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