BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SEA→BZN

Seattle, WA (SEA) to Bozeman, MT (BZN) flight delay odds

82.3% of 1,572 official scheduled SEA-to-BZN flights arrived on time; 9.5% arrived at least 30 minutes late and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
82.3%arrived on time
9.5%30+ min late
0.5%cancelled
1,572scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.4%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+1.9 mincompleted flights

Which departure time was most reliable for SEA to BZN?

Among qualifying SEA-to-BZN departure window results, Early morning had the highest on-time rate: 87.4% of 183 flights. Late morning was lowest at 78.7% across 516 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning18387.4%3.8%0.0%
Late morning51678.7%11.4%1.0%
Afternoon32479.0%10.8%0.3%
Evening42587.3%7.5%0.2%
Night12481.5%12.9%0.8%

Which weekday was most reliable for SEA to BZN?

Among qualifying SEA-to-BZN weekday results, Tuesday had the highest on-time rate: 85.0% of 220 flights. Friday was lowest at 78.9% across 232 flights.

DayFlightsOn time30+ minCancelled
Monday23483.3%9.0%0.0%
Tuesday22085.0%7.7%0.0%
Wednesday21284.0%8.0%0.0%
Thursday23079.6%11.3%0.4%
Friday23278.9%10.3%2.6%
Saturday21684.7%9.7%0.5%
Sunday22881.1%10.1%0.0%

Which airline was most reliable for SEA to BZN?

Among qualifying SEA-to-BZN airline results, SkyWest Airlines had the highest on-time rate: 87.0% of 948 flights. Alaska Airlines was lowest at 75.1% across 623 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines94887.0%6.1%0.2%
Alaska Airlines62375.1%14.6%1.0%
Delta Air Lines1100.0%0.0%0.0%

Which month was most reliable for SEA to BZN?

Among qualifying SEA-to-BZN month results, September 2025 had the highest on-time rate: 87.6% of 137 flights. July 2025 was lowest at 75.0% across 152 flights.

MonthFlightsOn time30+ minCancelled
July 202515275.0%11.8%0.7%
August 202515080.0%10.7%0.0%
September 202513787.6%7.3%0.0%
October 202512384.6%6.5%0.8%
November 20259886.7%3.1%2.0%
December 202516280.9%11.1%0.6%
January 202614680.8%11.6%0.0%
February 202611887.3%8.5%0.0%
March 202611782.9%7.7%2.6%
April 20269584.2%6.3%0.0%
May 202612479.8%14.5%0.0%
June 202615082.0%10.7%0.0%

What drove SEA to BZN delay minutes?

Airline was the largest recorded SEA-to-BZN delay category, accounting for 48.7% of 13,612 BTS-attributed delay minutes during July 2025–June 2026.

Airline48.7%
Late aircraft24.5%
National airspace13.6%
Weather12.8%
Security0.4%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.