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Flight Reliability

AS 2051 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2051 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
2.3%
Cancelled
1 min early
Median arrival delay

Based on 307 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(44 flights)
  • Tue75%(40 flights)
  • Wed84%(44 flights)
  • Thu74%(46 flights)
  • Fri80%(44 flights)
  • Sat82%(39 flights)
  • Sun81%(43 flights)
On-time by departure window
  • 6–9 AM72%(18 flights)
  • 9 AM–12 PM74%(34 flights)
  • 12–3 PM81%(202 flights)
  • 3–6 PM83%(46 flights)
On-time trend by month
93%
May

Jun 77% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%17
July 202555%31
August 202584%43
September 202588%60
October 202560%30
November 202585%20
December 202573%22
January 202690%29
February 202682%11
May 202693%27
Departures on time
83%
Diverted
0%
Flights flown
300
Months covered
12

Keep nerding

Based on 307 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.