LAX to MIA flight delays

LAX MIA Los Angeles to Miami · 2,342 miles

10,221 flights were scheduled from LAX to MIA over July 2023 through June 2026. Of the 10,124 that made the trip, 79% 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
10,221
Arrived on time
79%
Cancelled
0.5%
Scheduled distance
2,342 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 LAX–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 79.5% 73 min 0.5% 8,302
Delta Air Lines 76.1% 47 min 0.7% 1,259
JetBlue Airways 78.6% 67 min 0.3% 660

Month by month

March was the month to avoid on LAX–MIA: 70.4% of flights arrived on time, against 85.2% in October. 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, 79%.
Arrival on-time share, LAX to MIA, by calendar month
Month Share flights that arrived on time Flights
January 78.8% 942
February 82.1% 796
March 70.4% 896
April 81.2% 884
May 82.3% 918
June 74.9% 829
July 73.4% 838
August 77.6% 807
September 83.3% 725
October 85.2% 855
November 83.8% 841
December 76.4% 890

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.

LAX to MIA in one number

LAX → MIA

When a flight on this route was late, it was late by about 69 min.

July 2023–June 2026 · 10,221 flights

79% of flights arrived on time

Questions about LAX to MIA

Which airline is most reliable from LAX to MIA?
American Airlines — its flights on this pairing arrived on time 79.5% of the time, with 8,302 scheduled. Delta Air Lines came in at 76.1% over 1,259 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly LAX to MIA?
March, at 70.4% of arrivals on time, with 896 flights scheduled. October was the best of the year at 85.2%.
How late are LAX–MIA flights when they are late?
69 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 LAX to MIA flight cancelled?
0.5% 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.