Route Reliability
Grand Rapids → Detroit
GRR–DTW · 120 miles · Gerald R. Ford International Airport to Detroit Metropolitan Wayne County Airport
- 78%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 0.9%
- Cancelled
- 2,359
- Flights in the data
Data through May 2026.
Delta Air Lines is the only airline in this data on this route, arriving on time 78% of the time across 2,359 flights. No comparison to make.
What the data says
Morning-you made the right choice.
GRR–DTW flights departing between 3–6 AM arrived on time 85% of the time, versus 71% between 6–9 PM.
Skip Monday if you can.
GRR–DTW flights arrived on time 84% of the time on Saturdays. On Mondays: 75%.
Trending in the right direction.
GRR–DTW flights arrived on time 80% of the time over the last three months in the data, compared with 61% 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
- Mon75%(342 flights)
- Tue77%(343 flights)
- Wed79%(340 flights)
- Thu80%(342 flights)
- Fri77%(335 flights)
- Sat84%(289 flights)
- Sun77%(346 flights)
- 3–6 AM85%(324 flights)
- 6–9 AM78%(380 flights)
- 9 AM–12 PM82%(425 flights)
- 12–3 PM80%(390 flights)
- 3–6 PM74%(453 flights)
- 6–9 PM71%(365 flights)
Jun 78% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 216 |
| July 2025 | 79% | 232 |
| August 2025 | 84% | 212 |
| September 2025 | 92% | 197 |
| October 2025 | 90% | 207 |
| November 2025 | 82% | 192 |
| December 2025 | 50% | 173 |
| January 2026 | 58% | 169 |
| February 2026 | 76% | 161 |
| March 2026 | 67% | 176 |
| April 2026 | 84% | 192 |
| May 2026 | 90% | 210 |
Keep nerding
Based on 2,359 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.