Historical on-time performance
Idaho Falls to Chicago
1,229 miData through May 2026Source: US DOT · BTS
Flights on IDA–ORD arrive on time 44% of the time over the last 12 months.
On-time rate44%arrived within 15 min
p90 delay105 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 61 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time44%Median15 minp90105 minCancel1.6%Flights61
Why flights run late
Delay causes
- Airline80%
- Weather4%
- Air traffic (NAS)6%
- Late aircraft10%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 1 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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