Historical on-time performance
Jacksonville to Chicago
Flights on JAX–ORD arrive on time 75% of the time over the last 12 months.
based on 1,747 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.
- United AirlinesOn-time76%Medianon timep9045 minCancel0.6%Flights893
- American AirlinesOn-time76%Medianon timep9045 minCancel2.8%Flights395
- SkyWest AirlinesOn-time75%Medianon timep90100 minCancel0.0%Flights36
- Republic AirwaysOn-time74%Medianon timep9060 minCancel5.1%Flights273
- Envoy AirOn-time70%Medianon timep9065 minCancel0.0%Flights150
Why flights run late
Delay causes
- Airline35%
- Weather2%
- Air traffic (NAS)31%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather50%
- Air traffic (NAS)30%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 30 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 JAX → 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 — 88% on time.
- Mornings88% on time · p90 10 min · 1,988 flights
- Middays82% on time · p90 30 min · 1,746 flights
- Afternoons70% on time · p90 55 min · 1,049 flights
- Evenings63% on time · p90 80 min · 398 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 84% on time.
- Tuesdays84% on time · p90 25 min · 678 flights
- Saturdays83% on time · p90 25 min · 714 flights
- Thursdays81% on time · p90 35 min · 774 flights
- Wednesdays80% on time · p90 30 min · 683 flights
- Mondays79% on time · p90 45 min · 776 flights
- Sundays79% on time · p90 45 min · 782 flights
- Fridays77% on time · p90 35 min · 777 flights
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