Best Time to Fly ORD to SBN: On-Time Stats by Hour & Airline
Chicago O'Hare International → South Bend International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 63.9% of Chicago (ORD) to South Bend (SBN) flights arrived on time (2,737 scheduled flights). That is 13.8 points below the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
October has been the best month (80% on time) and Sunday the weakest day of the week (60%).
4.5% of flights were cancelled, versus 1.8% nationally.
ORD to SBN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 63.7% | 86 min | 4.5% | 2,725 |
| Republic Airways | Limited data | 2 | ||
| United Airlines | Limited data | 10 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to SBN
On-time arrival % by scheduled departure hour (local time), 4,888 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 12 | |
| 8am–9am | 69.4% | 3.2% | 125 |
| 9am–10am | 67.2% | 1.7% | 177 |
| 10am–11am | 72.0% | 1.8% | 723 |
| 11am–12pm | Limited data | 6 | |
| 12pm–1pm | 68.9% | 4.2% | 238 |
| 1pm–2pm | 66.0% | 3.4% | 149 |
| 2pm–3pm | 67.9% | 2.2% | 593 |
| 3pm–4pm | 67.9% | 2.1% | 467 |
| 4pm–5pm | 63.7% | 6.1% | 230 |
| 5pm–6pm | 59.0% | 4.3% | 564 |
| 6pm–7pm | 70.9% | 0.0% | 165 |
| 7pm–8pm | 62.6% | 2.6% | 718 |
| 8pm–9pm | Limited data | 1 | |
| 9pm–10pm | 67.4% | 3.6% | 720 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to SBN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 50.7% | -17.8 pts | 13.8% | 87 |
| Christmas & New Year (Dec 20 - Jan 3) | 62.0% | -6.5 pts | 2.0% | 200 |
| Summer peak (Jun 15 - Aug 15) | 60.1% | -8.4 pts | 2.8% | 774 |
| All other days | 68.5% | — | 2.7% | 3,827 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).