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Flight Reliability

AS 704 · Alaska Airlines

Seattle → Las Vegas (SEA–LAS)

90
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
6 min early
Average arrival delay
2.8%
Cancelled
12 min early
Median arrival delay

Based on 179 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 94% of the time, against 91% between 9 AM–12 PM.

Wednesdays have been rough.

AS 704 arrived on time 100% of the time on Saturdays and just 85% on Wednesdays. That gap is worth planning around.

Well ahead of the SEA–LAS route.

AS 704 arrived on time 93% of the time, versus 77% across the SEA–LAS route.

Better than the Alaska Airlines network average.

AS 704 arrived on time 93% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon97%(33 flights)
  • Tue93%(14 flights)
  • Wed85%(13 flights)
  • Thu94%(33 flights)
  • Fri86%(28 flights)
  • Sat100%(20 flights)
  • Sun94%(33 flights)
On-time by departure window
  • 6–9 AM94%(153 flights)
  • 9 AM–12 PM91%(21 flights)
On-time trend by month
90%
May

Oct 83% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202583%18
November 2025100%20
December 202592%24
January 202680%15
February 2026100%22
March 202696%25
April 2026100%21
May 202690%29
Departures on time
90%
Diverted
0%
Flights flown
174
Months covered
8

Same route, other flights

Keep nerding

Based on 179 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.