Skip to content
WanderNerd
Check a flight

Flight Reliability

AS 1043 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1043 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

84%
Arrive within 15 minutes
7 min
Average arrival delay
4.3%
Cancelled
1 min
Median arrival delay

Based on 257 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(39 flights)
  • Tue100%(32 flights)
  • Wed90%(30 flights)
  • Thu85%(41 flights)
  • Fri71%(41 flights)
  • Sat77%(22 flights)
  • Sun80%(39 flights)
On-time by departure window
  • 6–9 AM81%(113 flights)
  • 9 AM–12 PM93%(120 flights)
  • 6–9 PM18%(11 flights)
On-time trend by month
90%
May

Jun 54% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%26
July 202574%27
August 202573%22
September 2025100%16
October 202575%12
January 202689%27
February 202696%27
March 202685%27
April 202697%30
May 202690%30
Departures on time
93%
Diverted
0.8%
Flights flown
244
Months covered
10

Keep nerding

Based on 257 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.