Chicago (ORD) to South Bend (SBN): On-Time Performance
Data through May 2026
Chicago (ORD) to South Bend (SBN) effectively runs on two schedules. In April 2025, 84% of arrivals were on time; in July 2025 that fell to 50% — a 34-point seasonal swing. Across the full period the route averages 67% on-time against a national 78%.
- On-time
- 67%
- arrived <15 min late
- Avg delay
- 29 min
- completed flights
- Cancelled
- 2.6%
- Flights/day
- 7.3
- last 12 months
- Duration
- 1h 1m
- scheduled
- Distance
- 84 mi
Monthly on-time trend
Best time to fly from ORD to SBN
Aim for departures around 10 a.m. (73% on-time); avoid 5 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 29 min |
| Tuesdaybest | 72% | 24 min |
| Wednesday | 68% | 34 min |
| Thursday | 68% | 23 min |
| Friday | 66% | 29 min |
| Saturday | 67% | 25 min |
| Sunday | 60% | 40 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations37%
- National airspace system17%
- Weather9%
Frequently asked questions
- How often are flights from ORD to SBN delayed?
- 33% of ORD–SBN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 29 minutes.
- What is the best time of day to fly from ORD to SBN?
- Departures around 10 a.m. have the best record (73% on-time), while departures around 5 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to SBN?
- The scheduled ORD–SBN flight time averages 1h 1m over 84 miles. Actual arrival times vary — flights on this route land 15+ minutes late 33% of the time.
- How often are ORD to SBN flights cancelled?
- 2.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from ORD to SBN?
- July 2025 was the roughest month in this dataset, with only 50% of arrivals on time. The best was April 2025 at 84%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 4,764 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.