Best Time to Fly IND to ORD: On-Time Stats by Hour & Airline
Indianapolis International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
5,255 flights were scheduled from Indianapolis (IND) to Chicago (ORD) in the last 12 months, and 77.1% of those that flew arrived on time, in line with the US average of 77.6%.
Republic Airways was the most punctual of the 5 airlines on the route at 83.4%, while American Airlines trailed at 66.1%.
October has been the best month (86% on time) and Friday the weakest day of the week (76%).
3.3% of flights were cancelled, versus 1.8% nationally.
IND to ORD 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 |
|---|---|---|---|---|
| Republic Airways | 83.4% | 72 min | 2.4% | 2,774 |
| Envoy Air | 79.3% | 91 min | 2.1% | 565 |
| United Airlines | 68.8% | 73 min | 2.5% | 722 |
| SkyWest Airlines | 66.1% | 106 min | 6.6% | 665 |
| American Airlines | 66.1% | 89 min | 6.2% | 529 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IND to ORD
On-time arrival % by scheduled departure hour (local time), 9,922 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.3% | 3.2% | 310 |
| 6am–7am | 92.2% | 0.8% | 1,079 |
| 7am–8am | 84.1% | 1.6% | 1,067 |
| 8am–9am | 84.2% | 0.7% | 441 |
| 9am–10am | 85.3% | 1.4% | 808 |
| 10am–11am | 86.0% | 2.9% | 590 |
| 11am–12pm | 90.3% | 0.8% | 793 |
| 12pm–1pm | 83.5% | 1.2% | 987 |
| 1pm–2pm | 76.3% | 1.4% | 510 |
| 2pm–3pm | 81.2% | 3.1% | 319 |
| 3pm–4pm | 79.3% | 3.5% | 578 |
| 4pm–5pm | 72.3% | 1.6% | 774 |
| 5pm–6pm | 67.7% | 5.4% | 407 |
| 6pm–7pm | 58.9% | 3.8% | 559 |
| 7pm–8pm | 58.5% | 3.7% | 431 |
| 8pm–9pm | 67.0% | 8.7% | 242 |
| 9pm–10pm | Limited data | 24 | |
| 10pm–11pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IND to ORD
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) | 73.2% | -8.3 pts | 8.7% | 172 |
| Christmas & New Year (Dec 20 - Jan 3) | 79.4% | -2.2 pts | 0.3% | 317 |
| Summer peak (Jun 15 - Aug 15) | 76.8% | -4.8 pts | 2.8% | 1,674 |
| All other days | 81.6% | — | 2.0% | 7,759 |
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).