Indianapolis (IND) to Chicago (ORD): On-Time Performance
Data through May 2026
Indianapolis (IND) to Chicago (ORD) effectively runs on two schedules. In October 2024, 92% of arrivals were on time; in December 2025 that fell to 68% — a 24-point seasonal swing. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 62%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 14
- last 12 months
- Duration
- 1h 20m
- scheduled
- Distance
- 177 mi
Best airline from IND to ORD
5 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 86% | 10 min | 1.3% | 5,443 |
| Envoy Air | 81% | 18 min | 1.4% | 1,404 |
| SkyWest Airlines | 72% | 30 min | 4.7% | 880 |
| American Airlines | 72% | 27 min | 3.9% | 993 |
| United Airlines | 67% | 27 min | 2.7% | 953 |
Monthly on-time trend
Best time to fly from IND to ORD
Aim for departures around 6 a.m. (93% on-time); avoid 7 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 16 min |
| Tuesday | 82% | 15 min |
| Wednesdaybest | 84% | 11 min |
| Thursday | 79% | 19 min |
| Friday | 77% | 20 min |
| Saturday | 83% | 13 min |
| Sunday | 79% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft30%
- Airline operations25%
- National airspace system36%
- Weather10%
Frequently asked questions
- How often are flights from IND to ORD delayed?
- 20% of IND–ORD 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 16 minutes.
- Which airline is most reliable from IND to ORD?
- Republic Airways has the best on-time record on this route at 86%, based on 5,443 flights. 5 airlines flew IND–ORD frequently enough to compare in this period.
- What is the best time of day to fly from IND to ORD?
- Departures around 6 a.m. have the best record (93% on-time), while departures around 7 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IND to ORD?
- The scheduled IND–ORD flight time averages 1h 20m over 177 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are IND to ORD flights cancelled?
- 2% 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 IND to ORD?
- December 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 9,673 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.