Historical on-time performance
Indianapolis to Chicago
177 miData through May 2026Source: US DOT · BTS
Flights on IND–ORD arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled2.9%of scheduled flights
based on 5,026 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time81%Medianon timep9030 minCancel1.8%Flights2,714
- Envoy AirOn-time77%Medianon timep9050 minCancel1.6%Flights567
- United AirlinesOn-time66%Medianon timep9060 minCancel2.5%Flights723
- American AirlinesOn-time64%Medianon timep9075 minCancel7.8%Flights398
- SkyWest AirlinesOn-time62%Medianon timep9080 minCancel6.3%Flights624
Why flights run late
Delay causes
- Airline23%
- Weather13%
- Air traffic (NAS)37%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline14%
- Weather69%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 145 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 IND → 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 · 5,047 flights
- Middays84% on time · p90 25 min · 3,854 flights
- Afternoons77% on time · p90 50 min · 2,180 flights
- Overnights62% on time · p90 65 min · 185 flights · limited
- Evenings62% on time · p90 80 min · 1,922 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 83% on time.
- Wednesdays83% on time · p90 25 min · 1,891 flights
- Tuesdays82% on time · p90 30 min · 1,854 flights
- Saturdays82% on time · p90 30 min · 1,728 flights
- Mondays80% on time · p90 35 min · 1,931 flights
- Thursdays79% on time · p90 40 min · 1,926 flights
- Sundays78% on time · p90 45 min · 1,918 flights
- Fridays77% on time · p90 40 min · 1,940 flights
Keep exploring