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Flight Reliability

AS 2039 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2039 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

81%
Arrive within 15 minutes
5 min
Average arrival delay
6.0%
Cancelled
4 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(45 flights)
  • Tue89%(47 flights)
  • Wed87%(45 flights)
  • Thu75%(44 flights)
  • Fri68%(44 flights)
  • Sat74%(39 flights)
  • Sun79%(47 flights)
On-time by departure window
  • 9 AM–12 PM79%(136 flights)
  • 12–3 PM82%(175 flights)
On-time trend by month
92%
May

Jun 87% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202590%30
August 202581%26
September 202565%26
October 202569%29
November 202588%24
December 202573%26
January 202664%25
February 202687%23
March 202690%30
April 202687%30
May 202692%12
Departures on time
83%
Diverted
0.3%
Flights flown
311
Months covered
12

Keep nerding

Based on 332 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.