Route · SAN → PHX · 2020–2025 BTS data
San Diego to Phoenix
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to PHX (San Diego to Phoenix) ranks #143 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.9%
- On-time
- +2.9 pts
- vs US avg
- 72 min
- Delay when late
- 28,929
- Flights
- #143 of 4927
- Corpus placement
Cancelled
1.4%
Best Month
Jan 2025 87%
Worst Month
Nov 2025 68%
Distance
304 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 463 | 99 | 5 | 0 | WN,F9,AA,OO |
| Nov 2025 | 503 | 161 | 33 | 0 | OO,F9,AA,WN |
| Oct 2025 | 546 | 152 | 5 | 0 | AA,AS,WN,F9 |
| Sep 2025 | 500 | 95 | 14 | 2 | WN,F9,AA,AS |
| Aug 2025 | 473 | 123 | 3 | 3 | AA,WN,F9,AS |
| Jul 2025 | 473 | 110 | 6 | 0 | AA,WN,F9 |
| Jun 2025 | 456 | 119 | 8 | 0 | AA,WN,F9 |
| May 2025 | 468 | 88 | 3 | 0 | AA,WN,F9 |
| Apr 2025 | 452 | 101 | 3 | 0 | F9,WN,AA |
| Mar 2025 | 468 | 96 | 6 | 0 | AA,WN,F9 |
| Feb 2025 | 418 | 67 | 4 | 0 | AA,WN,F9 |
| Jan 2025 | 442 | 58 | 3 | 1 | AA,WN,F9 |
| Dec 2024 | 455 | 105 | 19 | 0 | AA,F9,WN |
| Nov 2024 | 486 | 85 | 1 | 0 | WN,F9,AA |
| Oct 2024 | 511 | 141 | 10 | 0 | WN,F9,AA |
| Sep 2024 | 457 | 88 | 1 | 0 | WN,AA,F9 |
| Aug 2024 | 476 | 87 | 5 | 0 | AA,F9,WN |
| Jul 2024 | 504 | 155 | 9 | 1 | AA,F9,WN |
| Jun 2024 | 488 | 144 | 11 | 1 | AA,F9,WN |
| May 2024 | 480 | 90 | 5 | 0 | AA,F9,WN |
| Apr 2024 | 461 | 92 | 2 | 0 | AA,F9,WN |
| Mar 2024 | 481 | 99 | 1 | 0 | AA,F9,WN |
| Feb 2024 | 426 | 74 | 1 | 0 | AA,F9,WN |
| Jan 2024 | 463 | 81 | 3 | 0 | AA,F9,WN |
SAN–PHX seasonal on-time pattern
Best: January (88.3%) · weakest: July (75.4%)
Strongest calendar month
January
88.3% on-time · ~403 flights/mo
Busiest calendar month
March
~435 flights/mo avg
Weakest calendar month
July
75.4% on-time · ~408 flights/mo
Cancellation Rate
1.4%
161 of 11,350 flights
Diversion Rate
0.1%
8 of 11,350 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profilePHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileCompare the two airports
See SAN and PHX side by side on delays, cancellations, and reliability.
Compare SAN vs PHXOrigin-hub reliability standing
Mid-pack among SAN departures
From SAN, this corridor sits with 34 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (13 at ≥85%) and not the softest ( 4 below 75%). Destination: Phoenix · fleet on-time rank #2418 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–PHX.
Routes with a similar on-time rate
What the Data Says About SAN to PHX
28,929 tracked flights put the SAN to PHX pairing (San Diego to Phoenix) at a 81.9% on-time rate, squarely in line with the wider network. Delays that do occur run 71.9 minutes on average. Across the 304-mile route and its 12 carriers, the trailing 24 months show 1.4% cancelled and 0.1% diverted (11,350 flights sampled).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 87% on-time, while Nov 2025 came in at just 68% - a 19-point swing worth factoring into travel timing.
On the multi-year calendar, SAN–PHX peaks in January at 88.3% on-time while March carries the heaviest traffic (~435 flights per month) ; the softest month is July at 75.4%, a 12.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SAN to PHX rank among US routes by traffic? ▼
How often are flights delayed from SAN to PHX? ▼
What is the cancellation rate for SAN to PHX? ▼
How far is the flight from SAN to PHX? ▼
When is the best time to fly from SAN to PHX? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using SAN–PHX data
SAN–PHX is mid-pack at 81.9% on-time; month and carrier mix move more than the corridor headline.
- Compare SAN and PHX airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
- If your dates flex, January (88.3% on-time) beats July (75.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.9% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.