GTF → SEA: cancellations & delays
Over Jan 2023 - Apr 2026, 0.1% of Great Falls International Airport (GTF) to Seattle–Tacoma International Airport (SEA) flights were cancelled and 18.4% arrived at least 15 minutes late, across 691 flights, flown by OO. Cancellations peak in March.
Check today's live GTF departures →Airport pages: Great Falls International Airport (GTF) · Seattle–Tacoma International Airport (SEA)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.