Skip to content
WanderNerd
Check a flight

Flight Reliability

AS 601 · Alaska Airlines

Reno → Seattle (RNO–SEA)97% of its flights flew this route. The rest (LAS–SEA) are included in these numbers.

70
Usually Fine
WanderNerd Reliability Score
68%
Arrive within 15 minutes
11 min
Average arrival delay
1.5%
Cancelled
2 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

AS 601 arrived on time 82% of the time on Tuesdays and just 56% on Sundays. That gap is worth planning around.

A bit behind the RNO–SEA route.

AS 601 arrived on time 68% of the time, versus 73% across the RNO–SEA route.

Lagging the Alaska Airlines network.

AS 601 arrived on time 68% of the time, versus 80% across the Alaska Airlines network.

Trending in the right direction.

AS 601 arrived on time 81% of the time over the last three months in the data, compared with 69% in the three months before that.

The breakdown

On-time by weekday
  • Mon64%(52 flights)
  • Tue82%(44 flights)
  • Wed76%(45 flights)
  • Thu67%(51 flights)
  • Fri66%(50 flights)
  • Sat70%(40 flights)
  • Sun56%(52 flights)
On-time by departure window
  • 12–3 PM69%(325 flights)
  • 3–6 PM—(9 flights)
On-time trend by month
84%
May

Jun 46% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%28
July 202563%30
August 202548%29
September 202573%26
October 202565%31
November 202569%29
December 202566%29
January 202670%20
February 202671%21
March 202670%30
April 202690%30
May 202684%31
Departures on time
68%
Diverted
0%
Flights flown
334
Months covered
12

Same route, other flights

Keep nerding

Based on 339 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.