Flight Reliability
AS 74 · Alaska Airlines
Juneau → Seattle (JNU–SEA)82% of its flights flew this route. The rest (LIH–SAN, ANC–BRW) are included in these numbers.
80
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 2.1%
- Cancelled
- 4 min early
- Median arrival delay
Based on 141 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AS 74 departing between 3–6 PM arrived on time 91% of the time, versus 80% between 12–3 PM.
Mondays have been rough.
AS 74 arrived on time 95% of the time on Thursdays and just 70% on Mondays. That gap is worth planning around.
The breakdown
- Mon70%(20 flights)
- Tue81%(16 flights)
- Wed82%(22 flights)
- Thu95%(21 flights)
- Fri76%(21 flights)
- Sat74%(19 flights)
- Sun84%(19 flights)
- 12–3 PM80%(125 flights)
- 3–6 PM91%(11 flights)
- 6–9 PM—(2 flights)
86%
Sep
Jun 78% → Sep 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 18 |
| July 2025 | 81% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 86% | 28 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 138
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 141 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.