FlightRecord

New York (LGA) to Miami (MIA): On-Time Performance

Data through May 2026

The biggest risk when flying LGA to MIA isn't a late arrival — it's not departing at all. 3.1% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 73% land on time, below the national average of 78%.

On-time
73%
arrived <15 min late
Avg delay
24 min
completed flights
Cancelled
3.1%
Flights/day
17
last 12 months
Duration
3h 18m
scheduled
Distance
1,096 mi

Best airline from LGA to MIA

4 airlines flew this route regularly between 2024-06 and 2026-05.

AirlineOn-timeAvg delayCancelledFlights
American Airlinesmost reliable74%24 min3.1%6,865
Spirit Airlines73%24 min3.9%916
Delta Air Lines72%23 min2.6%3,820
Frontier Airlines69%59 min5.4%258

Monthly on-time trend

Monthly on-time percentage for LGA to MIA flights50%75%100%June 2024: 71% on-time (438 flights)71Jun 2024July 2024: 70% on-time (461 flights)70August 2024: 69% on-time (454 flights)69September 2024: 86% on-time (432 flights)86Sep 2024October 2024: 84% on-time (449 flights)84November 2024: 90% on-time (444 flights)90December 2024: 75% on-time (521 flights)75Dec 2024January 2025: 73% on-time (572 flights)73February 2025: 77% on-time (520 flights)77March 2025: 76% on-time (556 flights)76Mar 2025April 2025: 82% on-time (527 flights)82May 2025: 73% on-time (496 flights)73June 2025: 65% on-time (467 flights)65Jun 2025July 2025: 64% on-time (480 flights)64August 2025: 71% on-time (495 flights)71September 2025: 75% on-time (477 flights)75Sep 2025October 2025: 67% on-time (483 flights)67November 2025: 65% on-time (468 flights)65December 2025: 62% on-time (532 flights)62Dec 2025January 2026: 75% on-time (563 flights)75February 2026: 77% on-time (519 flights)77March 2026: 64% on-time (575 flights)64Mar 2026April 2026: 75% on-time (515 flights)75May 2026: 75% on-time (457 flights)75

Best time to fly from LGA to MIA

Aim for departures around 6 a.m. (91% on-time); avoid 10 p.m. departures (60%).

On-time percentage by scheduled departure hour, LGA to MIA5 a.m.: 88% on-time (51 flights)56 a.m.: 91% on-time (1,383 flights)67 a.m.: 86% on-time (1,103 flights)78 a.m.: 85% on-time (472 flights)89 a.m.: 77% on-time (1,218 flights)910 a.m.: 68% on-time (435 flights)1011 a.m.: 73% on-time (1,096 flights)1112 p.m.: 80% on-time (241 flights)121 p.m.: 73% on-time (966 flights)132 p.m.: 70% on-time (46 flights)143 p.m.: 62% on-time (931 flights)154 p.m.: 61% on-time (695 flights)165 p.m.: 64% on-time (791 flights)176 p.m.: 62% on-time (662 flights)187 p.m.: 63% on-time (1,168 flights)198 p.m.: 72% on-time (534 flights)209 p.m.: 73% on-time (31 flights)2110 p.m.: 60% on-time (78 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday70%30 min
Tuesday78%20 min
Wednesday75%21 min
Thursday70%29 min
Friday74%22 min
Saturdaybest80%17 min
Sunday67%30 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft44%
  • Airline operations26%
  • National airspace system26%
  • Weather4%

Frequently asked questions

How often are flights from LGA to MIA delayed?
27% of LGA–MIA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 24 minutes.
Which airline is most reliable from LGA to MIA?
American Airlines has the best on-time record on this route at 74%, based on 6,865 flights. 4 airlines flew LGA–MIA frequently enough to compare in this period.
What is the best time of day to fly from LGA to MIA?
Departures around 6 a.m. have the best record (91% on-time), while departures around 10 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from LGA to MIA?
The scheduled LGA–MIA flight time averages 3h 18m over 1,096 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
How often are LGA to MIA flights cancelled?
3.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
What is the worst month to fly from LGA to MIA?
December 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was November 2024 at 90%. If your dates are flexible, that 28-point gap is worth planning around.

Based on 11,901 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.