PlainFlights

Route · LAX → MIA · 2020–2025 BTS data

Los Angeles to Miami

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAX to MIA (Los Angeles to Miami) ranks #437 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.3%
On-time
+1.3 pts
vs US avg
78 min
Delay when late
17,917
Flights
#437 of 4927
Corpus placement

Cancelled

0.4%

Best Month

Nov 2024 93%

Worst Month

Jul 2025 67%

Distance

2,342 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 287 73 0 0 DL,AA
Nov 2025 281 79 1 0 AA,DL
Oct 2025 269 37 1 0 AA,DL
Sep 2025 212 26 0 1 DL,AA
Aug 2025 252 60 0 0 AA,DL
Jul 2025 277 91 1 2 AA,DL
Jun 2025 270 66 0 3 AA,DL
May 2025 279 45 0 1 AA,DL
Apr 2025 270 70 0 1 DL,AA
Mar 2025 274 59 1 3 AA,DL
Feb 2025 250 44 0 0 AA,DL
Jan 2025 283 31 0 2 AA,DL
Dec 2024 288 64 0 0 AA,DL
Nov 2024 267 19 0 0 DL,AA
Oct 2024 258 38 2 1 DL,AA
Sep 2024 238 36 1 2 AA,DL
Aug 2024 245 56 4 4 AA,DL
Jul 2024 251 67 5 0 AA,DL
Jun 2024 290 89 8 3 AA,B6,DL
May 2024 337 72 1 0 AA,B6,DL
Apr 2024 329 62 3 1 AA,B6,DL
Mar 2024 343 110 2 0 AA,B6,DL
Feb 2024 310 54 0 0 AA,B6,DL
Jan 2024 360 100 0 0 AA,B6,DL

LAX–MIA seasonal on-time pattern

Best: October (85.7%) · weakest: December (74.4%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 74.4%

Strongest calendar month

October

85.7% on-time · ~250 flights/mo

Busiest calendar month

December

~270 flights/mo avg

Weakest calendar month

December

74.4% on-time · ~270 flights/mo

Cancellation Rate

0.4%

30 of 6,720 flights

Diversion Rate

0.4%

24 of 6,720 flights

Origin-hub reliability standing

Mid-pack among LAX departures

From LAX, this corridor sits with 39 other 75–85% on-time routes out of 80 tracked departures, not the hub's reliability leaders (40 at ≥85%) and not the softest ( 1 below 75%). Destination: Miami · fleet on-time rank #3026 of 4927.

What the Data Says About LAX to MIA

17,917 tracked flights put the LAX to MIA pairing (Los Angeles to Miami) at a 80.3% on-time rate, squarely in line with the wider network. Delays that do occur run 78.1 minutes on average. Across the 2,342-mile route and its 9 carriers, the trailing 24 months show 0.4% cancelled and 0.4% diverted (6,720 flights sampled).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 93% on-time, while Jul 2025 came in at just 67% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, LAX–MIA peaks in October at 85.7% on-time while December carries the heaviest traffic (~270 flights per month) ; the softest month is December at 74.4%, a 11.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LAX to MIA rank among US routes by traffic?
According to PlainFlights' route traffic ranking, LAX to MIA ranks #437 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from LAX to MIA?
Flights from Los Angeles to Miami have a 80.3% on-time rate based on 17,917 flights. The average delay is 78.1 minutes. The best recent month was Nov 2024 with 93% on-time.
What is the cancellation rate for LAX to MIA?
Over the last 24 months, 0.4% of flights on this route were cancelled (30 of 6,720 flights) and 0.4% were diverted.
How far is the flight from LAX to MIA?
The flight distance from Los Angeles (LAX) to Miami (MIA) is approximately 2,342 miles. This route is served by 9 carriers.
When is the best time to fly from LAX to MIA?
The best recent month for on-time performance was Nov 2024 (93% on-time). The worst was Jul 2025 (67% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using LAX–MIA data

LAX–MIA is mid-pack at 80.3% on-time; month and carrier mix move more than the corridor headline.

  • Compare LAX and MIA airport profiles: delay causes and top routes differ even on the same corridor. LAX airport
  • If your dates flex, October (85.7% on-time) beats December (74.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.3% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.