MIA to LAX flight delays & on-time performance
Nonstop flights from Miami International Airport to Los Angeles International Airport · 2,342 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or LAX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Miami (MIA) to Los Angeles (LAX) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.7% were cancelled, and 8% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (79% on time); American Airlines was the least (75%).
- Departures scheduled around 8am did best (88% on time); around 5pm did worst (60%).
- Wednesday was the most reliable day to fly (83% on time) and Sunday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (40%).
Which airline is most on time from MIA to LAX?
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 |
|---|---|---|---|---|---|
| Delta Air Lines | 79% | 1.6% | 18 min | 6.6% | 494 |
| American Airlines | 75% | 0.5% | 18 min | 8.2% | 2,756 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am87%222 flights
- 7am86%595 flights
- 8am88%327 flights
- 9am87%92 flights
- 10am84%134 flights
- 1pm75%191 flights
- 2pm70%164 flights
- 3pm69%117 flights
- 4pm74%171 flights
- 5pm60%142 flights
- 6pm62%231 flights
- 7pm70%343 flights
- 8pm65%169 flights
- 9pm64%266 flights
- 10pm51%68 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%1.9% cancelled
- Tuesday80%1.3% cancelled
- Wednesday83%0.0% cancelled
- Thursday78%0.0% cancelled
- Friday76%0.2% cancelled
- Saturday73%0.7% cancelled
- Sunday65%0.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)39%
- Air traffic control & airport congestion14%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather55%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion9%
- Security0%
MIA to LAX: common questions
- How often are MIA to LAX flights on time?
- 75% 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 Miami to Los Angeles cancelled?
- 0.7% of scheduled flights were cancelled (22 of 3,250).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 8.0% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAX to MIA — 78% on time
More flights from Miami
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MIA → LAX, nonstop flights by US airlines that report to the DOT. How we calculate this.