LGA to MIA flight delays

LGA MIA LaGuardia to Miami · 1,096 miles

17,489 flights were scheduled from LGA to MIA over July 2023 through June 2026. Of the 16,972 that made the trip, 74.3% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
17,489
Arrived on time
74.3%
Cancelled
2.6%
Scheduled distance
1,096 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on LGA–MIA, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
American Airlines 75.5% 86 min 2.6% 10,084
Delta Air Lines 72.8% 74 min 2.3% 5,485
Spirit Airlines 73.7% 80 min 2.9% 1,436
Frontier Airlines 67.2% 157 min 4.5% 400

Month by month

July was the month to avoid on LGA–MIA: 66.9% of flights arrived on time, against 80.6% in April. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 74.3%.
Arrival on-time share, LGA to MIA, by calendar month
Month Share flights that arrived on time Flights
January 72.5% 1,658
February 77.4% 1,524
March 71% 1,654
April 80.6% 1,526
May 73% 1,414
June 70.8% 1,347
July 66.9% 1,353
August 71.9% 1,371
September 77.1% 1,333
October 79.5% 1,357
November 79.9% 1,382
December 71.4% 1,570

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

LGA to MIA in one number

LGA → MIA

When a flight on this route was late, it was late by about 84 min.

July 2023–June 2026 · 17,489 flights

74.3% of flights arrived on time

Questions about LGA to MIA

Which airline is most reliable from LGA to MIA?
American Airlines — its flights on this pairing arrived on time 75.5% of the time, with 10,084 scheduled. Frontier Airlines came in at 67.2% over 400 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly LGA to MIA?
July, at 66.9% of arrivals on time, with 1,353 flights scheduled. April was the best of the year at 80.6%.
How late are LGA–MIA flights when they are late?
84 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the LGA to MIA flight cancelled?
2.6% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at MIA less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.