Route
GRR → MIA
Gerald R. Ford International Airport Miami International Airport
1,214 miles
Return route MIA → GRR →
How punctual is this route?
- On-time arrivals
- 79.7%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 105 min
- Flights arriving 15+ minutes late
- Flights tracked
- 226
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 50%
- Air traffic control & airport 21%
- Late-arriving aircraft 16%
- Extreme weather 14%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nov 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| November 2025 | 85.7% | 28 |
| December 2025 | 58.1% | 31 |
| January 2026 | 72.7% | 34 |
| February 2026 | 93.1% | 29 |
| March 2026 | 86.2% | 31 |
| April 2026 | 76.7% | 30 |
| May 2026 | 87.5% | 25 |
| June 2026 | 100.0% | 8 |
| July 2026 | 75.0% | 8 |
| August 2026 | 50.0% | 2 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| American Airlines | 148 | 82.6% | 2.0% | 116 min |
| Envoy Air | 78 | 74.4% | 0.0% | 90 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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