PHX to SAN flight delays & on-time performance
Nonstop flights from Phoenix Sky Harbor International Airport to San Diego International Airport · 304 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
72%
arrived < 15 min late
Cancelled
1.3%
78 flights
Avg arrival delay
17 min
56 min when late
Airlines
5
6,002 flights tracked
Key facts
- Flights from Phoenix (PHX) to San Diego (SAN) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.3% were cancelled, and 8% arrived an hour or more late.
- Frontier Airlines was the most punctual airline here (75% on time); SkyWest Airlines was the least (68%).
- Departures scheduled around 6am did best (91% on time); around 7pm did worst (54%).
- Saturday was the most reliable day to fly (82% on time) and Friday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (46%).
Which airline is most on time from PHX 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 |
|---|---|---|---|---|---|
| Alaska Airlines | 85% | 2.3% | 10 min | 4.7% | 218 |
| Frontier Airlines | 75% | 0.5% | 22 min | 9.1% | 389 |
| American Airlines | 73% | 0.8% | 19 min | 8.8% | 1,668 |
| Southwest Airlines | 70% | 1.0% | 16 min | 6.9% | 3,219 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 68% | 5.3% | 18 min | 9.2% | 508 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am91%327 flights
- 7am87%560 flights
- 8am90%392 flights
- 9am80%217 flights
- 10am73%504 flights
- 11am75%452 flights
- 12pm68%212 flights
- 1pm74%298 flights
- 2pm67%513 flights
- 3pm73%314 flights
- 4pm65%375 flights
- 5pm67%344 flights
- 6pm61%494 flights
- 7pm54%249 flights
- 8pm62%430 flights
- 9pm56%256 flights
- 10pm40%62 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday66%0.6% cancelled
- Tuesday81%0.9% cancelled
- Wednesday79%1.3% cancelled
- Thursday65%1.9% cancelled
- Friday65%1.9% cancelled
- Saturday82%0.9% cancelled
- Sunday68%1.4% 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 aircraft46%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather40%
- Air traffic control & airport congestion40%
- Airline (crew, maintenance, cleaning, fueling)21%
- Security0%
PHX to SAN: common questions
- How often are PHX to SAN flights on time?
- 72% 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 Phoenix to San Diego cancelled?
- 1.3% of scheduled flights were cancelled (78 of 6,002).
- How long are typical delays?
- Across all flights the average arrival delay was 17 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 7.7% of flights were an hour or more late.
- How long is taxi time at PHX?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAN to PHX — 74% on time
More flights from Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHX → SAN, nonstop flights by US airlines that report to the DOT. How we calculate this.