Route · SAN → PHL · 2020–2025 BTS data
San Diego to Philadelphia
The SAN–PHL corridor (San Diego, CA → Philadelphia, PA) runs ahead of the national average, served by 1 carrier across roughly 2,370 miles.
Data updated 2026-06-13
- 88.4%
- On-time
- +9.4 pts
- vs US avg
- 128 min
- Delay when late
- 4,246
- Flights
Cancelled
1.2%
Best Month
May 2024 95%
Worst Month
Dec 2024 80%
Distance
2,370 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 91 | 5 | 1 | 4 | AA |
| Nov 2025 | 87 | 9 | 1 | 5 | AA |
| Oct 2025 | 90 | 8 | 0 | 0 | AA |
| Sep 2025 | 90 | 12 | 0 | 0 | AA |
| Aug 2025 | 92 | 6 | 0 | 0 | AA |
| Jul 2025 | 93 | 15 | 2 | 1 | AA |
| Jun 2025 | 90 | 17 | 2 | 1 | AA |
| May 2025 | 93 | 10 | 3 | 1 | AA |
| Apr 2025 | 90 | 14 | 0 | 0 | AA |
| Mar 2025 | 86 | 15 | 1 | 1 | AA |
| Feb 2025 | 66 | 9 | 2 | 2 | AA |
| Jan 2025 | 68 | 11 | 0 | 1 | AA |
| Dec 2024 | 90 | 18 | 0 | 0 | AA |
| Nov 2024 | 81 | 9 | 0 | 0 | AA |
| Oct 2024 | 66 | 12 | 0 | 0 | AA |
| Sep 2024 | 89 | 10 | 0 | 1 | AA |
| Aug 2024 | 93 | 12 | 2 | 0 | AA |
| Jul 2024 | 93 | 16 | 2 | 1 | AA |
| Jun 2024 | 86 | 9 | 5 | 1 | AA |
| May 2024 | 61 | 3 | 0 | 0 | AA |
| Apr 2024 | 61 | 7 | 0 | 1 | AA |
| Mar 2024 | 62 | 12 | 0 | 1 | AA |
| Feb 2024 | 70 | 6 | 1 | 0 | AA |
| Jan 2024 | 85 | 5 | 2 | 0 | AA |
Cancellation Rate
1.2%
24 of 1,973 flights
Diversion Rate
1.1%
21 of 1,973 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.
Origin airport →PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Destination airport →Compare the two airports
See SAN and PHL side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SAN–PHL.
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What the Data Says About SAN to PHL
San Diego to Philadelphia (SAN to PHL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.4% on-time rate across 4,246 flights, with delays that do happen averaging 127.6 minutes. The corridor runs roughly 2,370 miles and is served by 1 carrier. Over the most recent 24 months, 24 of 1,973 flights were cancelled (1.2%) and 21 diverted (1.1%).
The monthly split is wide on this route: May 2024 posted the strongest performance at 95% on-time, while Dec 2024 came in at just 80% - a 15-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.