FlightRecord

Juneau (JNU) to Anchorage (ANC): On-Time Performance

Data through July 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
11 min
completed flights
Cancelled
2.2%
Flights/day
3.4
last 12 months
Duration
1h 48m
scheduled
Distance
571 mi

Monthly on-time trend

Monthly on-time percentage for JNU to ANC flights50%75%100%August 2024: 85% on-time (124 flights)85Aug 2024September 2024: 92% on-time (120 flights)92October 2024: 89% on-time (93 flights)89November 2024: 85% on-time (88 flights)85Nov 2024December 2024: 86% on-time (91 flights)86January 2025: 87% on-time (91 flights)87February 2025: 96% on-time (84 flights)96Feb 2025March 2025: 86% on-time (93 flights)86April 2025: 92% on-time (90 flights)92May 2025: 89% on-time (110 flights)89May 2025June 2025: 89% on-time (120 flights)89July 2025: 81% on-time (123 flights)81August 2025: 82% on-time (124 flights)82Aug 2025September 2025: 86% on-time (120 flights)86October 2025: 90% on-time (96 flights)90November 2025: 91% on-time (88 flights)91Nov 2025December 2025: 61% on-time (89 flights)61January 2026: 73% on-time (91 flights)73February 2026: 80% on-time (84 flights)80Feb 2026March 2026: 70% on-time (93 flights)70April 2026: 90% on-time (90 flights)90May 2026: 95% on-time (112 flights)95May 2026June 2026: 92% on-time (120 flights)92July 2026: 88% on-time (123 flights)88

Best time to fly from JNU to ANC

Aim for departures around 4 p.m. (95% on-time); avoid 8 p.m. departures (81%).

On-time percentage by scheduled departure hour, JNU to ANC7 a.m.: 91% on-time (755 flights)712 p.m.: 96% on-time (28 flights)121 p.m.: 82% on-time (704 flights)132 p.m.: 96% on-time (24 flights)144 p.m.: 95% on-time (61 flights)165 p.m.: 85% on-time (154 flights)176 p.m.: 92% on-time (61 flights)187 p.m.: 94% on-time (36 flights)198 p.m.: 81% on-time (705 flights)209 p.m.: 88% on-time (52 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday82%13 min
Tuesday84%14 min
Wednesday86%12 min
Thursday84%9 min
Fridaybest90%6 min
Saturday89%9 min
Sunday85%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 aircraft62%
  • Airline operations19%
  • National airspace system12%
  • Weather7%

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 2024-07 and 2026-07. The average arrival delay across completed flights was 11 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 2024-07 and 2026-07, 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.

Based on 2,581 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.