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WanderNerd

Flight Reliability

AS 568 · Alaska Airlines

Seattle → New Orleans (SEAMSY)95% of its flights flew this route. The rest (PIT–SEA) are included in these numbers.

81
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
1 min
Average arrival delay
0.5%
Cancelled
5 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

AS 568 departing between 6–9 AM arrived on time 95% of the time, versus 79% between 9 AM–12 PM.

Friday is doing you no favors.

AS 568 arrived on time 90% of the time on Tuesdays and just 75% on Fridays. That gap is worth planning around.

Ticking up lately.

AS 568 arrived on time 86% of the time over the last three months in the data, compared with 79% in the three months before that.

The breakdown

On-time by weekday
  • Mon75%(51 flights)
  • Tue90%(51 flights)
  • Wed75%(52 flights)
  • Thu78%(51 flights)
  • Fri75%(51 flights)
  • Sat78%(51 flights)
  • Sun85%(52 flights)
On-time by departure window
  • 6–9 AM95%(19 flights)
  • 9 AM–12 PM79%(340 flights)
On-time trend by month
97%
May

Jun 64% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%28
July 202558%31
August 202587%31
September 202589%28
October 202584%31
November 202573%30
December 202565%31
January 202677%31
February 202696%28
March 202669%29
April 202693%30
May 202697%31
Departures on time
73%
Diverted
1.1%
Flights flown
359
Months covered
12

Based on 365 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.