LAX to SAN flight delays & on-time performance
Nonstop flights from Los Angeles International Airport to San Diego International Airport · 109 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.9%
23 flights
Avg arrival delay
10 min
63 min when late
Airlines
2
2,447 flights tracked
Key facts
- Flights from Los Angeles (LAX) to San Diego (SAN) arrived on time 85% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.9% were cancelled, and 4% arrived an hour or more late.
- United Airlines was the most punctual airline here (86% on time); SkyWest Airlines was the least (85%).
- Departures scheduled around 9pm did best (89% on time); around 2pm did worst (80%).
- Tuesday was the most reliable day to fly (92% on time) and Friday the least (82%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
Which airline is most on time from LAX 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 |
|---|---|---|---|---|---|
| United Airlines | 86% | 0.0% | 8 min | 3.7% | 219 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 85% | 1.0% | 11 min | 4.1% | 2,228 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am85%251 flights
- 9am87%458 flights
- 12pm80%61 flights
- 1pm90%48 flights
- 2pm80%256 flights
- 4pm90%59 flights
- 5pm81%96 flights
- 6pm84%486 flights
- 7pm88%65 flights
- 9pm89%151 flights
- 10pm88%461 flights
- 11pm97%37 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%0.8% cancelled
- Tuesday92%0.0% cancelled
- Wednesday87%1.1% cancelled
- Thursday84%1.4% cancelled
- Friday82%1.4% cancelled
- Saturday87%1.0% cancelled
- Sunday82%0.9% 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)45%
- Air traffic control & airport congestion27%
- Extreme weather18%
- Late-arriving aircraft10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion78%
- Extreme weather22%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
LAX to SAN: common questions
- How often are LAX to SAN flights on time?
- 85% 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 San Diego cancelled?
- 0.9% of scheduled flights were cancelled (23 of 2,447).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 63 min behind schedule on average, and 4.1% of flights were an hour or more late.
- How long is taxi time at LAX?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAN to LAX — 89% 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 → SAN, nonstop flights by US airlines that report to the DOT. How we calculate this.