Historical on-time performance
Chicago to Anchorage
Flights on ORD–ANC arrive on time 74% of the time over the last 12 months.
based on 644 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time79%Medianon timep9035 minCancel0.6%Flights362
- Alaska AirlinesOn-time74%Medianon timep9040 minCancel0.6%Flights160
- American AirlinesOn-time61%Median5 minp9060 minCancel0.0%Flights122
Why flights run late
Delay causes
- Airline35%
- Weather6%
- Air traffic (NAS)27%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline67%
- Weather33%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 3 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → ANC
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 63% to 81% on time.
- Middays81% on time · p90 25 min · 206 flights
- Afternoons78% on time · p90 40 min · 757 flights
- Early mornings74% on time · p90 40 min · 247 flights
- Mornings74% on time · p90 45 min · 703 flights
- Evenings63% on time · p90 55 min · 407 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 77% on time.
- Mondays77% on time · p90 40 min · 337 flights
- Saturdays76% on time · p90 40 min · 357 flights
- Fridays75% on time · p90 35 min · 341 flights
- Sundays74% on time · p90 50 min · 345 flights
- Tuesdays72% on time · p90 40 min · 311 flights
- Wednesdays71% on time · p90 45 min · 309 flights
- Thursdays70% on time · p90 50 min · 320 flights
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