Historical on-time performance
South Bend to Chicago
84 miData through May 2026Source: US DOT · BTS
Flights on SBN–ORD arrive on time 62% of the time over the last 12 months.
On-time rate62%arrived within 15 min
p90 delay105 min1 in 10 flights is worse (tail risk)
Cancelled3.5%of scheduled flights
based on 2,662 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time62%Medianon timep90105 minCancel3.5%Flights2,662
Why flights run late
Delay causes
- Airline33%
- Weather9%
- Air traffic (NAS)23%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline2%
- Weather85%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 92 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 SBN → 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 — 78% on time.
- Mornings78% on time · p90 55 min · 3,254 flights
- Middays71% on time · p90 80 min · 1,378 flights
- Evenings61% on time · p90 100 min · 1,008 flights
- Afternoons60% on time · p90 110 min · 958 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 74% on time.
- Wednesdays74% on time · p90 65 min · 946 flights
- Saturdays73% on time · p90 60 min · 941 flights
- Tuesdays73% on time · p90 75 min · 947 flights
- Thursdays72% on time · p90 65 min · 952 flights
- Fridays69% on time · p90 80 min · 978 flights
- Mondays69% on time · p90 90 min · 956 flights
- Sundays68% on time · p90 95 min · 962 flights
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