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Flight Reliability

AS 730 · Alaska Airlines

Seattle → Las Vegas (SEA–LAS)99% of its flights flew this route. The rest (BUR–SEA, LAX–SEA) are included in these numbers.

72
Usually Fine
WanderNerd Reliability Score
68%
Arrive within 15 minutes
12 min
Average arrival delay
0.9%
Cancelled
0 min
Median arrival delay

Based on 234 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AS 730 departing between 6–9 PM arrived on time 84% of the time, versus 62% between 3–6 PM.

Sunday scaries are real for this one.

AS 730 arrived on time 93% of the time on Tuesdays and just 49% on Sundays. That gap is worth planning around.

Lagging the SEA–LAS route.

AS 730 arrived on time 68% of the time, versus 77% across the SEA–LAS route.

Lagging the Alaska Airlines network.

AS 730 arrived on time 68% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon62%(34 flights)
  • Tue93%(29 flights)
  • Wed78%(27 flights)
  • Thu61%(36 flights)
  • Fri51%(35 flights)
  • Sat89%(36 flights)
  • Sun49%(35 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM—(1 flights)
  • 3–6 PM62%(173 flights)
  • 6–9 PM84%(57 flights)
On-time trend by month
74%
May

Jun 68% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%19
July 202542%31
August 202557%28
September 202557%21
October 202570%23
February 202671%17
March 202683%30
April 202687%30
May 202674%31
Departures on time
71%
Diverted
0%
Flights flown
232
Months covered
10

Same route, other flights

Keep nerding

Based on 234 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.