Juneau (JNU) to Anchorage (ANC): On-Time Performance
Data through May 2026
The calendar drives reliability on JNU–ANC. February 2025 flights landed on schedule 96% of the time, but December 2025 dropped to 61% — a gap of 36 points. Across the full period the route averages 86% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 83%), which matters most in the rough months.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 2.2%
- Flights/day
- 3.4
- last 12 months
- Duration
- 1h 48m
- scheduled
- Distance
- 571 mi
Monthly on-time trend
Best time to fly from JNU to ANC
Aim for departures around 4 p.m. (95% on-time); avoid 8 p.m. departures (81%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 14 min |
| Tuesday | 83% | 15 min |
| Wednesday | 86% | 12 min |
| Thursday | 85% | 9 min |
| Fridaybest | 89% | 7 min |
| Saturday | 89% | 9 min |
| Sunday | 86% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft61%
- Airline operations19%
- National airspace system12%
- Weather8%
Frequently asked questions
- How often are flights from JNU to ANC delayed?
- 14% of JNU–ANC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from JNU to ANC?
- Departures around 4 p.m. have the best record (95% on-time), while departures around 8 p.m. have the worst (81%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JNU to ANC?
- The scheduled JNU–ANC flight time averages 1h 48m over 571 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are JNU to ANC flights cancelled?
- 2.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from JNU to ANC?
- December 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was February 2025 at 96%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 2,452 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.