Historical on-time performance
Chicago to Huntsville
510 miData through May 2026Source: US DOT · BTS
Flights on ORD–HSV arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay100 min1 in 10 flights is worse (tail risk)
Cancelled3.4%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-time63%Medianon timep90100 minCancel3.4%Flights1,162
Why flights run late
Delay causes
- Airline42%
- Weather21%
- Air traffic (NAS)16%
- Late aircraft21%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline3%
- Weather92%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 39 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 → HSV
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 — 75% on time.
- Mornings75% on time · p90 50 min · 285 flights
- Middays69% on time · p90 85 min · 997 flights
- Afternoons67% on time · p90 50 min · 141 flights · limited
- Evenings60% on time · p90 95 min · 903 flights
- Overnights58% on time · p90 110 min · 460 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 59% to 70% on time.
- Wednesdays70% on time · p90 75 min · 381 flights
- Tuesdays68% on time · p90 75 min · 372 flights
- Thursdays67% on time · p90 85 min · 407 flights
- Mondays66% on time · p90 95 min · 412 flights
- Saturdays64% on time · p90 85 min · 380 flights
- Fridays62% on time · p90 90 min · 415 flights
- Sundays59% on time · p90 105 min · 419 flights
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