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Flight Reliability

AS 2078 · Alaska Airlines

Everett → San Francisco (PAE–SFO)91% of its flights flew this route. The rest (STS–LAX, PSP–SFO) are included in these numbers.

66
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
16 min
Average arrival delay
0.9%
Cancelled
1 min
Median arrival delay

Based on 334 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AS 2078 departing between 9 AM–12 PM arrived on time 100% of the time, versus 55% between 12–3 PM.

Wednesdays have been rough.

AS 2078 arrived on time 75% of the time on Saturdays and just 60% on Wednesdays. That gap is worth planning around.

A bit ahead of the PAE–SFO route.

AS 2078 arrived on time 69% of the time, versus 64% across the PAE–SFO route.

Lagging the Alaska Airlines network.

AS 2078 arrived on time 69% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon73%(48 flights)
  • Tue64%(47 flights)
  • Wed60%(45 flights)
  • Thu71%(48 flights)
  • Fri70%(47 flights)
  • Sat75%(44 flights)
  • Sun73%(48 flights)
On-time by departure window
  • 6–9 AM61%(184 flights)
  • 9 AM–12 PM100%(11 flights)
  • 12–3 PM55%(22 flights)
  • 3–6 PM81%(102 flights)
  • 6–9 PM—(8 flights)
On-time trend by month
43%
May

Jun 97% → May 43% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%29
July 202581%31
August 202573%30
September 202577%30
October 202555%31
November 202564%28
December 202578%23
January 202685%27
February 202676%25
March 202673%30
April 202621%29
May 202643%14
Departures on time
71%
Diverted
1.2%
Flights flown
327
Months covered
12

Same route, other flights

Keep nerding

Based on 334 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.