LAX to MIA flight delays & on-time performance
Nonstop flights from Los Angeles International Airport to Miami International Airport · 2,342 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAX or MIA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Los Angeles (LAX) to Miami (MIA) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0.8% were cancelled, and 6% arrived an hour or more late.
- American Airlines was the most punctual airline here (79% on time); Delta Air Lines was the least (74%).
- Departures scheduled around 6am did best (88% on time); around 12pm did worst (70%).
- Tuesday was the most reliable day to fly (82% on time) and Saturday the least (73%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).
Which airline is most on time from LAX to MIA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 79% | 0.6% | 16 min | 5.8% | 2,760 |
| Delta Air Lines | 74% | 1.6% | 16 min | 5.2% | 495 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12am83%48 flights
- 6am88%291 flights
- 7am87%262 flights
- 8am87%170 flights
- 9am74%354 flights
- 10am73%229 flights
- 11am79%148 flights
- 12pm70%208 flights
- 1pm74%201 flights
- 2pm75%163 flights
- 3pm72%61 flights
- 8pm74%72 flights
- 9pm80%257 flights
- 10pm77%437 flights
- 11pm76%354 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%2.1% cancelled
- Tuesday82%1.7% cancelled
- Wednesday81%0.0% cancelled
- Thursday81%0.0% cancelled
- Friday77%0.6% cancelled
- Saturday73%0.4% cancelled
- Sunday76%0.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)46%
- Late-arriving aircraft35%
- Air traffic control & airport congestion19%
- Security0%
- Extreme weather0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather48%
- Airline (crew, maintenance, cleaning, fueling)44%
- Air traffic control & airport congestion8%
- Security0%
LAX to MIA: common questions
- How often are LAX to MIA flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Los Angeles to Miami cancelled?
- 0.8% of scheduled flights were cancelled (25 of 3,255).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 66 min behind schedule on average, and 5.7% of flights were an hour or more late.
- How long is taxi time at LAX?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MIA to LAX — 75% on time
More flights from Los Angeles
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAX → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.