Route · SAN → TUS · 2020–2025 BTS data
San Diego to Tucson
The SAN–TUS corridor (San Diego, CA → Tucson, AZ) runs ahead of the national average, served by 1 carrier across roughly 368 miles.
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 60 min
- Delay when late
- 2,388
- Flights
Cancelled
0.5%
Best Month
Apr 2025 88%
Worst Month
Jul 2025 65%
Distance
368 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 57 | 19 | 0 | 0 | WN |
| Nov 2025 | 54 | 15 | 0 | 0 | WN |
| Oct 2025 | 56 | 9 | 0 | 0 | WN |
| Sep 2025 | 47 | 9 | 1 | 0 | WN |
| Aug 2025 | 48 | 17 | 0 | 0 | WN |
| Jul 2025 | 57 | 20 | 0 | 0 | WN |
| Jun 2025 | 56 | 12 | 1 | 0 | WN |
| May 2025 | 56 | 15 | 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 | 3 | 1 | 0 | WN |
| Dec 2024 | 44 | 13 | 2 | 0 | WN |
| Nov 2024 | 46 | 6 | 0 | 0 | WN |
| Oct 2024 | 49 | 13 | 0 | 0 | WN |
| Sep 2024 | 55 | 12 | 0 | 0 | WN |
| Aug 2024 | 57 | 9 | 0 | 0 | WN |
| Jul 2024 | 58 | 14 | 0 | 0 | WN |
| Jun 2024 | 55 | 19 | 0 | 0 | WN |
| May 2024 | 58 | 20 | 0 | 0 | WN |
| Apr 2024 | 57 | 10 | 0 | 0 | WN |
| Mar 2024 | 57 | 13 | 1 | 0 | WN |
| Feb 2024 | 33 | 12 | 0 | 0 | WN |
| Jan 2024 | 40 | 11 | 0 | 0 | WN |
Cancellation Rate
0.5%
6 of 1,233 flights
Diversion Rate
0.0%
0 of 1,233 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 →TUS - Tucson
Full on-time, delay-cause, and seasonal performance for Tucson, AZ.
Destination airport →Compare the two airports
See SAN and TUS 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–TUS.
Routes with a similar on-time rate
What the Data Says About SAN to TUS
2,388 tracked flights put the SAN to TUS pairing (San Diego to Tucson) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 60.0 minutes on average. Across the 368-mile route and its 1 carrier, the trailing 24 months show 0.5% cancelled and 0.0% diverted (1,233 flights sampled).
The monthly split is wide on this route: Apr 2025 posted the strongest performance at 88% on-time, while Jul 2025 came in at just 65% - a 23-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.