Historical on-time performance
Huntsville to Chicago
510 miData through May 2026Source: US DOT · BTS
Flights on HSV–ORD arrive on time 65% of the time over the last 12 months.
On-time rate65%arrived within 15 min
p90 delay95 min1 in 10 flights is worse (tail risk)
Cancelled2.8%of scheduled flights
based on 1,162 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time65%Medianon timep9095 minCancel2.8%Flights1,162
Why flights run late
Delay causes
- Airline51%
- Weather9%
- Air traffic (NAS)13%
- Late aircraft25%
- Security2%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline3%
- Weather91%
- Air traffic (NAS)6%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 32 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 HSV → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 74% on time.
- Mornings74% on time · p90 65 min · 1,357 flights
- Middays67% on time · p90 90 min · 565 flights
- Afternoons62% on time · p90 85 min · 719 flights
- Evenings43% on time · p90 85 min · 140 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 60% to 72% on time.
- Wednesdays72% on time · p90 60 min · 375 flights
- Tuesdays72% on time · p90 60 min · 388 flights
- Thursdays69% on time · p90 70 min · 398 flights
- Saturdays69% on time · p90 85 min · 386 flights
- Mondays68% on time · p90 100 min · 415 flights
- Fridays67% on time · p90 75 min · 417 flights
- Sundays60% on time · p90 105 min · 406 flights
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