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Flight Reliability

AS 464 · Alaska Airlines

Seattle → Atlanta (SEA–ATL)98% of its flights flew this route. The rest (LAS–PAE, OTZ–ANC) are included in these numbers.

79
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
0 min
Average arrival delay
1.1%
Cancelled
6 min early
Median arrival delay

Based on 187 historical flights. Data through May 2026.

What the data says

Saturdays have been rough.

AS 464 arrived on time 88% of the time on Wednesdays and just 59% on Saturdays. That gap is worth planning around.

A bit behind the SEA–ATL route.

AS 464 arrived on time 77% of the time, versus 82% across the SEA–ATL route.

A bit behind the Alaska Airlines network.

AS 464 arrived on time 77% of the time, versus 80% across the Alaska Airlines network.

Ticking up lately.

AS 464 arrived on time 90% of the time over the last three months in the data, compared with 84% in the three months before that.

The breakdown

On-time by weekday
  • Mon84%(25 flights)
  • Tue67%(12 flights)
  • Wed88%(25 flights)
  • Thu77%(31 flights)
  • Fri74%(35 flights)
  • Sat59%(22 flights)
  • Sun82%(34 flights)
On-time by departure window
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM—(2 flights)
  • 9 PM–12 AM77%(181 flights)
On-time trend by month
94%
Jan

Jun 53% → Jan 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%19
July 202550%30
August 202568%28
September 202590%20
October 202595%19
November 202590%20
December 202586%21
January 202694%18
Departures on time
81%
Diverted
0.5%
Flights flown
184
Months covered
11

Same route, other flights

Keep nerding

Based on 187 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.