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Flight Reliability

AS 2099 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2099 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
6 min
Average arrival delay
0.2%
Cancelled
6 min early
Median arrival delay

Based on 420 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(67 flights)
  • Tue81%(62 flights)
  • Wed79%(62 flights)
  • Thu77%(66 flights)
  • Fri83%(65 flights)
  • Sat92%(26 flights)
  • Sun84%(70 flights)
On-time by departure window
  • 9 AM–12 PM78%(49 flights)
  • 12–3 PM91%(95 flights)
  • 3–6 PM81%(78 flights)
  • 6–9 PM77%(196 flights)
On-time trend by month
91%
May

Jun 98% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202598%43
July 202558%52
August 202579%52
September 202585%52
October 202561%18
November 202574%50
December 202572%46
January 202692%12
March 2026100%15
April 202697%35
May 202691%43
Departures on time
80%
Diverted
0.2%
Flights flown
418
Months covered
11

Keep nerding

Based on 420 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.