Historical on-time performance
Bloomington to Chicago
116 miData through May 2026Source: US DOT · BTS
Flights on BMI–ORD arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled2.7%of scheduled flights
based on 880 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time80%Medianon timep9050 minCancel2.7%Flights880
Why flights run late
Delay causes
- Airline11%
- Weather24%
- Air traffic (NAS)19%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather54%
- Air traffic (NAS)46%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 24 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 BMI → 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 — 87% on time.
- Mornings87% on time · p90 15 min · 421 flights
- Afternoons81% on time · p90 50 min · 316 flights
- Middays77% on time · p90 80 min · 202 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 85% on time.
- Wednesdays85% on time · p90 50 min · 147 flights · limited
- Mondays84% on time · p90 25 min · 147 flights · limited
- Tuesdays82% on time · p90 40 min · 147 flights · limited
- Saturdays81% on time · p90 40 min · 143 flights · limited
- Thursdays81% on time · p90 75 min · 144 flights · limited
- Fridays79% on time · p90 45 min · 146 flights · limited
- Sundays77% on time · p90 35 min · 148 flights · limited
Keep exploring