Chicago (ORD) to Grand Rapids (GRR): On-Time Performance
Data through July 2026
The calendar drives reliability on ORD–GRR. November 2024 flights landed on schedule 84% of the time, but December 2025 dropped to 55% — a gap of 29 points. Across the full period the route averages 73% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 65%), which matters most in the rough months.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 11
- last 12 months
- Duration
- 1h 6m
- scheduled
- Distance
- 137 mi
Best airline from ORD to GRR
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 82% | 12 min | 1.8% | 1,579 |
| Envoy Air | 76% | 16 min | 2.7% | 1,513 |
| SkyWest Airlines | 71% | 24 min | 2.4% | 1,553 |
| United Airlines | 69% | 24 min | 1.0% | 1,784 |
| American Airlines | 61% | 33 min | 2.7% | 897 |
Monthly on-time trend
Best time to fly from ORD to GRR
Aim for departures around 7 a.m. (88% on-time); avoid 10 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 24 min |
| Tuesdaybest | 76% | 18 min |
| Wednesday | 73% | 20 min |
| Thursday | 73% | 20 min |
| Friday | 69% | 24 min |
| Saturdaybest | 76% | 18 min |
| Sunday | 71% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft44%
- Airline operations30%
- National airspace system17%
- Weather8%
Frequently asked questions
- How often are flights from ORD to GRR delayed?
- 27% of ORD–GRR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from ORD to GRR?
- Republic Airways has the best on-time record on this route at 82%, based on 1,579 flights. 5 airlines flew ORD–GRR frequently enough to compare in this period.
- What is the best time of day to fly from ORD to GRR?
- Departures around 7 a.m. have the best record (88% on-time), while departures around 10 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to GRR?
- The scheduled ORD–GRR flight time averages 1h 6m over 137 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are ORD to GRR flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ORD to GRR?
- December 2025 was the roughest month in this dataset, with only 55% of arrivals on time. The best was November 2024 at 84%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 7,328 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.