Route · SAN → BWI · 2020–2025 BTS data
San Diego to Baltimore
The SAN–BWI corridor (San Diego, CA → Baltimore, MD) runs ahead of the national average, served by 3 carriers across roughly 2,295 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 54 min
- Delay when late
- 4,125
- Flights
Cancelled
0.8%
Best Month
Feb 2024 95%
Worst Month
Jul 2024 63%
Distance
2,295 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 102 | 14 | 5 | 0 | WN |
| Nov 2025 | 97 | 13 | 1 | 0 | WN |
| Oct 2025 | 101 | 15 | 0 | 0 | WN |
| Sep 2025 | 82 | 8 | 1 | 0 | WN |
| Aug 2025 | 84 | 17 | 0 | 0 | WN |
| Jul 2025 | 88 | 23 | 0 | 1 | WN |
| Jun 2025 | 85 | 18 | 0 | 1 | WN |
| May 2025 | 84 | 6 | 0 | 0 | WN |
| Apr 2025 | 83 | 12 | 0 | 0 | WN |
| Mar 2025 | 84 | 16 | 0 | 0 | WN |
| Feb 2025 | 54 | 6 | 1 | 0 | WN |
| Jan 2025 | 59 | 8 | 3 | 0 | WN |
| Dec 2024 | 61 | 14 | 2 | 0 | WN |
| Nov 2024 | 56 | 5 | 0 | 0 | WN |
| Oct 2024 | 64 | 21 | 0 | 1 | WN |
| Sep 2024 | 88 | 13 | 0 | 0 | WN,NK |
| Aug 2024 | 119 | 39 | 0 | 2 | NK,WN |
| Jul 2024 | 120 | 45 | 1 | 0 | NK,WN |
| Jun 2024 | 112 | 36 | 0 | 1 | NK,WN |
| May 2024 | 101 | 22 | 0 | 0 | NK,WN |
| Apr 2024 | 82 | 11 | 0 | 0 | WN |
| Mar 2024 | 79 | 12 | 0 | 0 | WN |
| Feb 2024 | 58 | 3 | 0 | 0 | WN |
| Jan 2024 | 63 | 11 | 2 | 0 | WN |
Cancellation Rate
0.8%
16 of 2,006 flights
Diversion Rate
0.3%
6 of 2,006 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 →BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Destination airport →Compare the two airports
See SAN and BWI 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–BWI.
Routes with a similar on-time rate
What the Data Says About SAN to BWI
4,125 tracked flights put the SAN to BWI pairing (San Diego to Baltimore) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 54.0 minutes on average. Across the 2,295-mile route and its 3 carriers, the trailing 24 months show 0.8% cancelled and 0.3% diverted (2,006 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 63% - a 32-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.