Historical on-time performance
Chicago to South Bend
84 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–SBN arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled2.5%of scheduled flights
based on 2,363 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time66%Medianon timep9090 minCancel2.5%Flights2,363
Why flights run late
Delay causes
- Airline34%
- Weather11%
- Air traffic (NAS)16%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → SBN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 66% to 76% on time.
- Overnights76% on time · p90 45 min · 1,083 flights
- Mornings76% on time · p90 45 min · 115 flights · limited
- Middays75% on time · p90 55 min · 1,147 flights
- Afternoons69% on time · p90 70 min · 1,752 flights
- Evenings66% on time · p90 95 min · 2,004 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 73% on time.
- Tuesdays73% on time · p90 65 min · 873 flights
- Mondays72% on time · p90 70 min · 875 flights
- Saturdays72% on time · p90 60 min · 865 flights
- Thursdays72% on time · p90 60 min · 857 flights
- Wednesdays71% on time · p90 80 min · 871 flights
- Fridays70% on time · p90 65 min · 867 flights
- Sundays64% on time · p90 100 min · 893 flights
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