Historical on-time performance
Houston to Anchorage
3,266 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–ANC arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 92 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time63%Medianon timep9070 minCancel0.0%Flights92
Why flights run late
Delay causes
- Airline21%
- Weather36%
- Air traffic (NAS)17%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Weather.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAH → ANC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 76% on time.
- Saturdays76% on time · p90 30 min · 50 flights · limited
- Mondays72% on time · p90 45 min · 50 flights · limited
- Sundays70% on time · p90 50 min · 50 flights · limited
- Fridays66% on time · p90 65 min · 50 flights · limited
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