Route Reliability
Grand Rapids → Chicago
GRR–ORD · 137 miles · Gerald R. Ford International Airport to Chicago O'Hare International Airport
- 68%
- Arrive within 15 minutes
- 24 min
- Average arrival delay
- 2.6%
- Cancelled
- 4,681
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines68%2,698 flights
- 2.American Airlines68%1,983 flights
What the data says
Morning-you made the right choice.
GRR–ORD flights departing between 3–6 AM arrived on time 89% of the time, versus 50% between 6–9 PM.
Tuesday has been the better bet.
A small edge: 71% on time on Tuesdays against 64% on Fridays.
Not much between United Airlines and American Airlines.
On this route they all land within 68% to 68% on time. Pick on schedule and price.
Trending in the right direction.
GRR–ORD flights arrived on time 69% of the time over the last three months in the data, compared with 62% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon66%(658 flights)
- Tue71%(637 flights)
- Wed68%(636 flights)
- Thu70%(657 flights)
- Fri64%(669 flights)
- Sat70%(619 flights)
- Sun65%(681 flights)
- 3–6 AM89%(90 flights)
- 6–9 AM78%(1180 flights)
- 9 AM–12 PM74%(1006 flights)
- 12–3 PM67%(722 flights)
- 3–6 PM58%(841 flights)
- 6–9 PM50%(701 flights)
- 9 PM–12 AM65%(17 flights)
Jun 69% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 379 |
| July 2025 | 64% | 380 |
| August 2025 | 70% | 364 |
| September 2025 | 74% | 359 |
| October 2025 | 70% | 389 |
| November 2025 | 74% | 361 |
| December 2025 | 57% | 351 |
| January 2026 | 58% | 342 |
| February 2026 | 70% | 320 |
| March 2026 | 64% | 355 |
| April 2026 | 66% | 473 |
| May 2026 | 76% | 484 |
Same trip, other airports
Keep nerding
Based on 4,681 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.