Historical on-time performance
Fresno to Chicago
1,730 miData through May 2026Source: US DOT · BTS
Flights on FAT–ORD arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled3.9%of scheduled flights
based on 152 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time70%Median5 minp9025 minCancel3.9%Flights152
Why flights run late
Delay causes
- Airline54%
- Weather8%
- Air traffic (NAS)37%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline83%
- Weather17%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 6 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 FAT → ORD
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 67% to 67% on time.
- Overnights67% on time · p90 65 min · 264 flights
- Mornings67% on time · p90 25 min · 231 flights
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