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Flight Reliability

AS 26 · Alaska Airlines

Seattle → New York (SEA–JFK)

65
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
4 min
Average arrival delay
4.1%
Cancelled
2 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

AS 26 departing between 9 AM–12 PM arrived on time 85% of the time, versus 74% between 6–9 AM.

Skip Monday if you can.

AS 26 arrived on time 81% of the time on Sundays. On Mondays: 71%.

A bit ahead of the SEA–JFK route.

AS 26 arrived on time 77% of the time, versus 74% across the SEA–JFK route.

A bit behind the Alaska Airlines network.

AS 26 arrived on time 77% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon71%(49 flights)
  • Tue75%(51 flights)
  • Wed80%(51 flights)
  • Thu75%(48 flights)
  • Fri79%(48 flights)
  • Sat76%(50 flights)
  • Sun81%(48 flights)
On-time by departure window
  • 6–9 AM74%(246 flights)
  • 9 AM–12 PM85%(99 flights)
On-time trend by month
94%
May

Jun 28% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202528%29
July 202557%28
August 202567%30
September 202583%29
October 202576%29
November 202596%25
December 202583%30
January 202667%30
February 202692%26
March 202682%28
April 2026100%30
May 202694%31
Departures on time
84%
Diverted
0.8%
Flights flown
345
Months covered
12

Same route, other flights

Keep nerding

Based on 363 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.