Route · TUS → SAN · 2020–2025 BTS data
Tucson to San Diego
The TUS–SAN corridor (Tucson, AZ → San Diego, CA) runs ahead of the national average, served by 1 carrier across roughly 368 miles.
Data updated 2026-06-13
- 82.4%
- On-time
- +3.4 pts
- vs US avg
- 59 min
- Delay when late
- 2,383
- Flights
Cancelled
0.2%
Best Month
Aug 2024 91%
Worst Month
May 2024 69%
Distance
368 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 57 | 13 | 0 | 0 | WN |
| Nov 2025 | 54 | 10 | 1 | 0 | WN |
| Oct 2025 | 56 | 16 | 0 | 0 | WN |
| Sep 2025 | 47 | 10 | 0 | 0 | WN |
| Aug 2025 | 48 | 8 | 0 | 0 | WN |
| Jul 2025 | 57 | 12 | 0 | 0 | WN |
| Jun 2025 | 56 | 13 | 0 | 0 | WN |
| May 2025 | 56 | 11 | 0 | 0 | WN |
| Apr 2025 | 56 | 7 | 0 | 0 | WN |
| Mar 2025 | 55 | 9 | 0 | 0 | WN |
| Feb 2025 | 43 | 5 | 0 | 0 | WN |
| Jan 2025 | 39 | 2 | 1 | 0 | WN |
| Dec 2024 | 44 | 8 | 1 | 0 | WN |
| Nov 2024 | 46 | 8 | 0 | 0 | WN |
| Oct 2024 | 49 | 18 | 0 | 1 | WN |
| Sep 2024 | 55 | 7 | 0 | 0 | WN |
| Aug 2024 | 57 | 5 | 0 | 0 | WN |
| Jul 2024 | 58 | 14 | 0 | 0 | WN |
| Jun 2024 | 56 | 15 | 0 | 0 | WN |
| May 2024 | 58 | 18 | 0 | 0 | WN |
| Apr 2024 | 57 | 12 | 0 | 0 | WN |
| Mar 2024 | 57 | 11 | 0 | 0 | WN |
| Feb 2024 | 33 | 4 | 0 | 0 | WN |
| Jan 2024 | 40 | 5 | 0 | 0 | WN |
Cancellation Rate
0.2%
3 of 1,234 flights
Diversion Rate
0.1%
1 of 1,234 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
TUS - Tucson
Full on-time, delay-cause, and seasonal performance for Tucson, AZ.
Origin airport →SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Destination airport →Compare the two airports
See TUS and SAN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to TUS–SAN.
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What the Data Says About TUS to SAN
Bureau of Transportation Statistics records show Tucson to San Diego (TUS to SAN) running a 82.4% on-time rate over 2,383 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 59.3 minutes. The 368-mile corridor is served by 1 carrier, and over the last 24 months 0.2% of 1,234 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Aug 2024 posted the strongest performance at 91% on-time, while May 2024 came in at just 69% - a 22-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.