Grand Rapids (GRR) to Miami (MIA): On-Time Performance
Data through July 2026
Grand Rapids (GRR) to Miami (MIA) is a thinner route than most in this dataset — 224 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 79% arrived on time.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 0.61
- last 12 months
- Duration
- 3h 15m
- scheduled
- Distance
- 1,214 mi
Best airline from GRR to MIA
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 80% | 23 min | 0.0% | 190 |
| American Airlines | 78% | 21 min | 1.9% | 215 |
Monthly on-time trend
Best time to fly from GRR to MIA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 81% | 26 min |
| Tuesday | 77% | 13 min |
| Wednesday | 80% | 35 min |
| Thursday | 78% | 17 min |
| Friday | 78% | 16 min |
| Saturday | 79% | 23 min |
| Sunday | 78% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft18%
- Airline operations45%
- National airspace system22%
- Weather15%
Frequently asked questions
- How often are flights from GRR to MIA delayed?
- 21% of GRR–MIA 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 22 minutes.
- Which airline is most reliable from GRR to MIA?
- Envoy Air has the best on-time record on this route at 80%, based on 190 flights. 2 airlines flew GRR–MIA frequently enough to compare in this period.
- How long is the flight from GRR to MIA?
- The scheduled GRR–MIA flight time averages 3h 15m over 1,214 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are GRR to MIA flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from GRR to MIA?
- December 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was April 2025 at 93%. If your dates are flexible, that 35-point gap is worth planning around.
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Based on 405 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.