64% of flights from Miami to New York arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 a.m. departures ran on time 84% of the time; the 5 p.m. ones 50%. Most reliable airline: Delta Air Lines (70%). 18% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for MIA → LGA: when a flight was late, it was under 45 minutes late 46% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 42 three hours or more; 4.2% were cancelled outright.
- On time or early64%
- 15–30 min late8.8%
- 30–60 min late9.2%
- 1–2 hours late7.6%
- 2–3 hours late3.0%
- 3+ hours late2.4%
- Diverted0.9%
- Cancelled4.2%
Share of all 5,955 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 3,570 | 62% | 3.7% | +1 min | 14.4% | +83 min | American Airlines |
| Delta Air Lines | 1,916 | 70% | 3.9% | −5 min | 9.5% | +64 min | Delta Air Lines |
| Spirit Airlines | 357 | 53% | 8.4% | +7 min | 17.4% | +74 min | Spirit Airlines |
| Frontier Airlines | 112 | 53% | 12.5% | +2 min | 13.4% | +92 min | Frontier Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at MIA). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | American Airlines | Delta Air Lines | Spirit Airlines |
|---|---|---|---|
| 6 a.m. | 86% | — | — |
| 7 a.m. | 86% | 83% | — |
| 8 a.m. | 81% | 83% | — |
| 9 a.m. | 76% | 84% | — |
| 10 a.m. | 70% | — | — |
| 11 a.m. | — | 72% | — |
| noon | 53% | — | — |
| 1 p.m. | 51% | 62% | — |
| 2 p.m. | 56% | — | — |
| 3 p.m. | 50% | 65% | — |
| 4 p.m. | 54% | — | 48% |
| 5 p.m. | 48% | — | — |
| 6 p.m. | 58% | — | — |
| 7 p.m. | 54% | 51% | — |
| 8 p.m. | 54% | — | — |
Last flight of the day
On MIA → LGA, each airline's last flight of the day was cancelled 6.2% of the time, against 3.7% for its earlier flights (1.7× as often). It arrived 3+ hours late 1.9% of the time (earlier flights: 2.4%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| American Airlines | 8:40 p.m. | 6.3% | 1.9% | 3.4% | first flight 6:58 a.m. |
| Delta Air Lines | 7:40 p.m. | 4.9% | 0.8% | 3.7% | first flight 6:25 a.m. |
| Spirit Airlines | — | 9.5% | 5.2% | 11.7% | — |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
If you need to be in LGA tonight, book an earlier flight so there's a backup if it's cancelled.
By month
Each calendar month pooled over 2023–2026. Best: September (78%). Worst: July (55%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 879 | 59% | 8.3% |
| Tuesday | 872 | 68% | 4.0% |
| Wednesday | 850 | 71% | 2.0% |
| Thursday | 857 | 66% | 2.1% |
| Friday | 861 | 67% | 1.9% |
| Saturday | 767 | 67% | 3.5% |
| Sunday | 869 | 50% | 7.5% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 168 · airline 52 · air traffic/airport 31
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| AA 3205 | 6:45 a.m. | 181 | 88% | 0.0% | −12 min | American Airlines |
| DL 2387 | 7:00 a.m. | 365 | 84% | 2.2% | −7 min | Delta Air Lines |
| DL 2339 | 8:15 a.m. | 255 | 73% | 5.1% | −10 min | Delta Air Lines |
| AA 605 | 8:49 a.m. | 128 | 86% | 0.0% | −9 min | American Airlines |
| DL 1538 | 3:29 p.m. | 140 | 61% | 6.4% | −4 min | Delta Air Lines |
| DL 2346 | 3:45 p.m. | 233 | 71% | 2.6% | −7 min | Delta Air Lines |
| DL 2300 | 7:59 p.m. | 196 | 51% | 6.1% | +10 min | Delta Air Lines |
| AA 1389 | 8:50 p.m. | 302 | 52% | 7.0% | +11 min | American Airlines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Feb 23, 2026 | 18 | 0% | 18 |
| Mar 26, 2026 | 19 | 5% | 2 |
| Jan 25, 2026 | 19 | 5% | 18 |
| Dec 14, 2025 | 18 | 6% | 7 |
| Oct 13, 2025 | 16 | 6% | 1 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Miami or New York. FLL → HPN has been 7 points more reliable.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| MIA → LGA (this route) | 5,955 | 64% | 4.2% |
| FLL → HPN Fort Lauderdale to Westchester | 880 | 71% | 2.2% |
| MIA → EWR Miami to Newark | 3,913 | 70% | 2.9% |
| MIA → JFK Miami to New York JFK | 4,526 | 69% | 3.1% |
| FLL → EWR Fort Lauderdale to Newark | 4,666 | 68% | 3.7% |
| FLL → JFK Fort Lauderdale to New York JFK | 3,896 | 66% | 4.8% |
| FLL → ISP Fort Lauderdale to Long Island MacArthur | 419 | 66% | 2.1% |
Questions
How often are flights from MIA to LGA on time?
64% of 5,955 scheduled flights from Miami, FL to New York, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 4.2% were cancelled.
What is the best time of day to fly MIA to LGA?
Flights scheduled to leave at 7 a.m. were the most reliable (84% on time). The 5 p.m. departures were the least (50%).
Which airline is most on time from MIA to LGA?
Delta Air Lines: 70% of its 1,916 flights on the route arrived on time. American Airlines: 62%. Spirit Airlines: 53%. Frontier Airlines: 53%.
What month has the most delays from MIA to LGA?
July (55% on time). The best month is September (78%), over 2023–2026.
Is the last flight of the day from MIA to LGA more likely to be cancelled?
Yes. Each airline's last MIA–LGA flight of the day was cancelled 6.2% of the time over the past year, against 3.7% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- LGA → MIA (return)
- Miami (MIA) delays by hour
- Flights into LaGuardia (LGA)
- American Airlines on-time record
- Delta Air Lines on-time record
- Spirit Airlines on-time record
- Frontier Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.