Route · ATL → SAN · 2020–2025 BTS data
Atlanta to San Diego
The ATL–SAN corridor (Atlanta, GA → San Diego, CA) runs ahead of the national average, served by 10 carriers across roughly 1,892 miles.
Data updated 2026-06-13
- 79.3%
- On-time
- +0.3 pts
- vs US avg
- 57 min
- Delay when late
- 11,761
- Flights
Cancelled
0.8%
Best Month
Mar 2024 90%
Worst Month
Jul 2024 61%
Distance
1,892 mi
Carriers
10
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 215 | 54 | 2 | 3 | DL,AS |
| Nov 2025 | 218 | 38 | 3 | 1 | DL,AS |
| Oct 2025 | 233 | 49 | 0 | 4 | AS,DL |
| Sep 2025 | 217 | 46 | 0 | 4 | DL,AS |
| Aug 2025 | 229 | 47 | 0 | 1 | AS,DL |
| Jul 2025 | 230 | 65 | 2 | 1 | AS,DL |
| Jun 2025 | 226 | 81 | 2 | 0 | AS,DL |
| May 2025 | 228 | 69 | 1 | 0 | AS,DL |
| Apr 2025 | 196 | 57 | 1 | 0 | DL,AS |
| Mar 2025 | 196 | 58 | 0 | 1 | AS,DL |
| Feb 2025 | 151 | 38 | 0 | 0 | AS,DL |
| Jan 2025 | 172 | 47 | 5 | 3 | AS,WN,DL |
| Dec 2024 | 208 | 59 | 4 | 7 | AS,DL,WN |
| Nov 2024 | 221 | 53 | 0 | 0 | WN,AS,DL |
| Oct 2024 | 231 | 50 | 2 | 4 | AS,DL |
| Sep 2024 | 216 | 46 | 1 | 0 | AS,DL |
| Aug 2024 | 230 | 44 | 4 | 1 | AS,DL,WN |
| Jul 2024 | 240 | 93 | 14 | 1 | AS,DL,WN |
| Jun 2024 | 242 | 50 | 0 | 1 | AS,DL,NK,WN |
| May 2024 | 213 | 81 | 0 | 0 | AS,DL,WN |
| Apr 2024 | 171 | 34 | 0 | 0 | DL,WN |
| Mar 2024 | 171 | 17 | 0 | 1 | DL,WN |
| Feb 2024 | 142 | 16 | 0 | 3 | DL |
| Jan 2024 | 143 | 17 | 0 | 0 | DL,F9,WN |
Cancellation Rate
0.8%
41 of 4,939 flights
Diversion Rate
0.7%
36 of 4,939 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Destination airport →Compare the two airports
See ATL 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 ATL–SAN.
Routes with a similar on-time rate
What the Data Says About ATL to SAN
11,761 tracked flights put the ATL to SAN pairing (Atlanta to San Diego) at a 79.3% on-time rate, squarely in line with the wider network. Delays that do occur run 57.2 minutes on average. Across the 1,892-mile route and its 10 carriers, the trailing 24 months show 0.8% cancelled and 0.7% diverted (4,939 flights sampled).
The monthly split is wide on this route: Mar 2024 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 61% - a 29-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.