MIA to SAN flight delays & on-time performance
Nonstop flights from Miami International Airport to San Diego International Airport · 2,267 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.1%
7 flights
Avg arrival delay
15 min
56 min when late
Airlines
1
649 flights tracked
Key facts
- Flights from Miami (MIA) to San Diego (SAN) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.1% were cancelled, and 6% arrived an hour or more late.
- American Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9am did best (90% on time); around 7pm did worst (60%).
- Tuesday was the most reliable day to fly (84% on time) and Thursday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (37%).
Which airline is most on time from MIA to SAN?
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 | 75% | 1.1% | 15 min | 6.0% | 649 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am89%136 flights
- 9am90%148 flights
- 7pm60%252 flights
- 8pm72%100 flights
- 9pm85%13 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%1.1% cancelled
- Tuesday84%2.2% cancelled
- Wednesday83%1.1% cancelled
- Thursday69%0.0% cancelled
- Friday71%1.1% cancelled
- Saturday72%0.0% cancelled
- Sunday76%2.2% 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 aircraft37%
- Air traffic control & airport congestion30%
- Airline (crew, maintenance, cleaning, fueling)29%
- Extreme weather4%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather57%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion14%
- Security0%
MIA to SAN: common questions
- How often are MIA to SAN 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 San Diego cancelled?
- 1.1% of scheduled flights were cancelled (7 of 649).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 6.0% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAN to MIA — 84% 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 → SAN, nonstop flights by US airlines that report to the DOT. How we calculate this.