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Flight Reliability

AS 176 · Alaska Airlines

Juneau → Seattle (JNU–SEA)

75
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
7 min
Average arrival delay
1.9%
Cancelled
3 min early
Median arrival delay

Based on 322 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 12–3 AM arrived on time 80% of the time, against 74% between 12–3 PM.

Friday is doing you no favors.

AS 176 arrived on time 81% of the time on Tuesdays. On Fridays: 70%.

A bit behind the JNU–SEA route.

AS 176 arrived on time 74% of the time, versus 80% across the JNU–SEA route.

A bit behind the Alaska Airlines network.

AS 176 arrived on time 74% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon74%(46 flights)
  • Tue81%(47 flights)
  • Wed71%(45 flights)
  • Thu78%(45 flights)
  • Fri70%(43 flights)
  • Sat73%(45 flights)
  • Sun73%(45 flights)
On-time by departure window
  • 12–3 AM80%(25 flights)
  • 12–3 PM74%(291 flights)
On-time trend by month
91%
Apr

Jun 63% → Apr 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202565%31
August 202558%31
September 202579%29
October 202581%31
November 202586%28
December 202579%28
January 202676%29
February 202671%28
March 202677%30
April 202691%21
Departures on time
74%
Diverted
0%
Flights flown
316
Months covered
11

Same route, other flights

Keep nerding

Based on 322 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.