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Flight Reliability

AS 108 · Alaska Airlines

Anchorage → Fairbanks (ANC–FAI)96% of its flights flew this route. The rest (ANC–SEA) are included in these numbers.

94
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
1 min early
Average arrival delay
0.4%
Cancelled
11 min early
Median arrival delay

Based on 284 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AS 108 departing between 9 AM–12 PM arrived on time 89% of the time, versus 76% between 3–6 PM.

Tuesday is the weak spot.

AS 108 arrived on time 93% of the time on Fridays. On Tuesdays: 83%.

Better than the Alaska Airlines network average.

AS 108 arrived on time 88% of the time, versus 80% across the Alaska Airlines network.

Slipping a little lately.

AS 108 arrived on time 78% of the time over the last three months in the data, compared with 85% in the three months before that.

The breakdown

On-time by weekday
  • Mon85%(41 flights)
  • Tue83%(42 flights)
  • Wed88%(41 flights)
  • Thu90%(40 flights)
  • Fri93%(41 flights)
  • Sat92%(36 flights)
  • Sun86%(42 flights)
On-time by departure window
  • 9 AM–12 PM89%(254 flights)
  • 3–6 PM76%(29 flights)
On-time trend by month
73%
Mar

Jun 97% → Mar 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202597%31
August 202590%31
September 2025100%30
October 202587%31
November 202590%29
December 202577%30
January 202677%31
February 202684%25
March 202673%15
Departures on time
88%
Diverted
0%
Flights flown
283
Months covered
10

Same route, other flights

Keep nerding

Based on 284 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.