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Flight Reliability

AS 2042 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2042 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

76%
Arrive within 15 minutes
9 min
Average arrival delay
1.7%
Cancelled
3 min early
Median arrival delay

Based on 241 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(37 flights)
  • Tue79%(34 flights)
  • Wed73%(33 flights)
  • Thu80%(35 flights)
  • Fri74%(34 flights)
  • Sat82%(27 flights)
  • Sun65%(37 flights)
On-time by departure window
  • 12–3 PM83%(129 flights)
  • 3–6 PM79%(29 flights)
  • 6–9 PM63%(79 flights)
On-time trend by month
76%
May

Jun 63% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202572%29
August 202568%28
September 202580%25
October 202587%30
November 202597%29
December 202563%30
May 202676%25
Departures on time
77%
Diverted
0%
Flights flown
237
Months covered
10

Keep nerding

Based on 241 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.