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

Seattle, WA (SEA) to Fairbanks, AK (FAI) flight delay odds

76.8% of 2,321 official scheduled SEA-to-FAI flights arrived on time; 11.9% arrived at least 30 minutes late and 1.0% 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 SIGNALGenerally reliable
76.8%arrived on time
11.9%30+ min late
1.0%cancelled
2,321scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.7%all scheduled flights
120+ minutes late1.1%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+3.8 mincompleted flights

Which departure time was most reliable for SEA to FAI?

Among qualifying SEA-to-FAI departure window results, Night had the highest on-time rate: 78.9% of 918 flights. Evening was lowest at 74.1% across 518 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning50477.2%13.1%0.4%
Afternoon38175.1%10.8%0.8%
Evening51874.1%14.3%0.6%
Night91878.9%10.3%1.7%

Which weekday was most reliable for SEA to FAI?

Among qualifying SEA-to-FAI weekday results, Saturday had the highest on-time rate: 79.9% of 334 flights. Friday was lowest at 73.6% across 333 flights.

DayFlightsOn time30+ minCancelled
Monday33277.7%9.9%0.9%
Tuesday32979.6%8.5%0.3%
Wednesday33076.4%13.9%0.6%
Thursday33073.9%12.7%1.2%
Friday33373.6%14.7%2.1%
Saturday33479.9%10.5%0.6%
Sunday33376.6%12.9%1.5%

Which airline was most reliable for SEA to FAI?

Among qualifying SEA-to-FAI airline results, Delta Air Lines had the highest on-time rate: 77.8% of 482 flights. Alaska Airlines was lowest at 76.6% across 1,839 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines1,83976.6%12.2%0.7%
Delta Air Lines48277.8%10.8%2.3%

Which month was most reliable for SEA to FAI?

Among qualifying SEA-to-FAI month results, November 2025 had the highest on-time rate: 88.6% of 166 flights. December 2025 was lowest at 53.7% across 201 flights.

MonthFlightsOn time30+ minCancelled
July 202524765.6%16.6%2.8%
August 202524672.4%14.2%0.8%
September 202523587.7%6.8%0.0%
October 202516580.0%8.5%1.2%
November 202516688.6%5.4%0.0%
December 202520153.7%26.9%2.0%
January 202619178.0%11.0%2.6%
February 202616885.7%7.1%0.6%
March 202617870.8%16.9%1.7%
April 202615086.0%6.7%0.0%
May 202617481.0%8.6%0.0%
June 202620080.5%9.5%0.0%

What drove SEA to FAI delay minutes?

Airline was the largest recorded SEA-to-FAI delay category, accounting for 46.8% of 25,474 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.8%
Late aircraft30.9%
National airspace19.3%
Weather2.9%
Security0.1%
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.