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Flight Reliability

AS 122 · Alaska Airlines

Burbank → Portland (BUR–PDX)95% of its flights flew this route. The rest (HNL–SEA) are included in these numbers.

91
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min early
Average arrival delay
0.6%
Cancelled
7 min early
Median arrival delay

Based on 331 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 90% of the time, against 84% between 12–3 PM.

Thursdays have been rough.

AS 122 arrived on time 96% of the time on Mondays and just 78% on Thursdays. That gap is worth planning around.

A bit behind the BUR–PDX route.

AS 122 arrived on time 85% of the time, versus 90% across the BUR–PDX route.

A bit ahead of the Alaska Airlines network.

AS 122 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon96%(49 flights)
  • Tue92%(49 flights)
  • Wed81%(48 flights)
  • Thu78%(46 flights)
  • Fri83%(48 flights)
  • Sat82%(39 flights)
  • Sun84%(50 flights)
On-time by departure window
  • 9 AM–12 PM90%(67 flights)
  • 12–3 PM84%(262 flights)
On-time trend by month
67%
May

Jun 73% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202587%30
August 202576%29
September 202589%26
October 202593%27
November 202593%29
December 202587%31
January 202697%31
February 202689%27
March 202690%31
April 202673%26
May 202667%12
Departures on time
83%
Diverted
0%
Flights flown
329
Months covered
12

Same route, other flights

Keep nerding

Based on 331 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.