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Flight Reliability

AS 2172 · Alaska Airlines

Seattle → YKM (SEA–YKM)

93
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
3 min early
Average arrival delay
1.9%
Cancelled
7 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

AS 2172 arrived on time 96% of the time on Sundays. On Fridays: 88%.

A bit ahead of the SEA–YKM route.

AS 2172 arrived on time 93% of the time, versus 88% across the SEA–YKM route.

Better than the Alaska Airlines network average.

AS 2172 arrived on time 93% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon94%(52 flights)
  • Tue88%(51 flights)
  • Wed94%(50 flights)
  • Thu94%(48 flights)
  • Fri88%(49 flights)
  • Sat96%(50 flights)
  • Sun96%(52 flights)
On-time trend by month
94%
May

Jun 80% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202587%31
August 202594%31
September 202593%30
October 2025100%28
November 202593%28
December 202590%31
January 2026100%27
February 202696%26
March 202690%30
April 2026100%29
May 202694%31
Departures on time
93%
Diverted
0%
Flights flown
352
Months covered
12

Same route, other flights

Keep nerding

Based on 359 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.