Historical on-time performance
Chicago to Indianapolis
177 miData through May 2026Source: US DOT · BTS
Flights on ORD–IND arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled3.4%of scheduled flights
based on 5,033 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time79%Medianon timep9030 minCancel1.4%Flights568
- Republic AirwaysOn-time74%Medianon timep9055 minCancel2.8%Flights2,716
- United AirlinesOn-time67%Medianon timep9070 minCancel2.3%Flights726
- SkyWest AirlinesOn-time64%Medianon timep9070 minCancel6.6%Flights624
- American AirlinesOn-time62%Medianon timep9070 minCancel7.3%Flights399
Why flights run late
Delay causes
- Airline26%
- Weather14%
- Air traffic (NAS)17%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather70%
- Air traffic (NAS)21%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 170 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 → IND
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 — 85% on time.
- Mornings85% on time · p90 25 min · 2,589 flights
- Middays81% on time · p90 35 min · 3,201 flights
- Evenings76% on time · p90 50 min · 2,896 flights
- Afternoons74% on time · p90 55 min · 2,441 flights
- Overnights69% on time · p90 65 min · 2,059 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 82% on time.
- Saturdays82% on time · p90 30 min · 1,723 flights
- Wednesdays80% on time · p90 35 min · 1,893 flights
- Tuesdays80% on time · p90 35 min · 1,853 flights
- Thursdays78% on time · p90 45 min · 1,931 flights
- Fridays75% on time · p90 50 min · 1,931 flights
- Mondays75% on time · p90 45 min · 1,922 flights
- Sundays74% on time · p90 50 min · 1,934 flights
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