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Route Reliability

Fairbanks → Seattle

FAI–SEA · 1,533 miles · Fairbanks International Airport to Seattle–Tacoma International Airport

85
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
1 min
Average arrival delay
1.3%
Cancelled
2,343
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Alaska Airlines84%1,858 flights
  2. 2.Delta Air Lines79%485 flights

What the data says

The 12–3 PM departure wins.

FAI–SEA flights departing between 12–3 PM arrived on time 89% of the time, versus 78% between 3–6 PM.

Sunday comes out ahead.

A small edge: 85% on time on Sundays against 81% on Mondays.

Alaska Airlines has a slight edge here.

Alaska Airlines arrived on time 84% of the time on this route; Delta Air Lines managed 79%.

Trending in the right direction.

FAI–SEA flights arrived on time 90% of the time over the last three months in the data, compared with 73% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon81%(330 flights)
  • Tue84%(330 flights)
  • Wed82%(324 flights)
  • Thu83%(331 flights)
  • Fri81%(327 flights)
  • Sat85%(329 flights)
  • Sun85%(340 flights)
On-time by departure window
  • 12–3 AM82%(884 flights)
  • 3–6 AM87%(283 flights)
  • 6–9 AM79%(160 flights)
  • 9 AM–12 PM85%(212 flights)
  • 12–3 PM89%(293 flights)
  • 3–6 PM78%(479 flights)
On-time trend by month
92%
May

Jun 84% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%221
July 202588%240
August 202585%244
September 202584%236
October 202581%163
November 202584%166
December 202568%194
January 202677%185
February 202675%167
March 202684%173
April 202693%150
May 202692%172

Keep nerding

Based on 2,343 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.