Historical on-time performance
Anchorage to Denver
2,405 miData through Dec 2025Source: US DOT · BTS
Flights on ANC–DEN arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 561 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Alaska AirlinesOn-time87%Medianon timep9015 minCancel1.0%Flights102
- United AirlinesOn-time87%Medianon timep9020 minCancel0.4%Flights459
Why flights run late
Delay causes
- Airline41%
- Weather5%
- Air traffic (NAS)12%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ANC → DEN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 84% to 84% on time.
- Overnights84% on time · p90 25 min · 1,417 flights
- Afternoons84% on time · p90 25 min · 307 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 89% on time.
- Mondays89% on time · p90 15 min · 248 flights
- Tuesdays87% on time · p90 25 min · 245 flights
- Sundays86% on time · p90 20 min · 249 flights
- Fridays85% on time · p90 25 min · 252 flights
- Thursdays82% on time · p90 30 min · 246 flights
- Wednesdays82% on time · p90 25 min · 245 flights
- Saturdays79% on time · p90 35 min · 272 flights
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