Route · DAL → SAN · 2020–2025 BTS data
Dallas to San Diego
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DAL to SAN (Dallas to San Diego) ranks #1610 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 77.3%
- On-time
- -1.7 pts
- vs US avg
- 55 min
- Delay when late
- 7,756
- Flights
- #1610 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Feb 2025 88%
Worst Month
May 2024 51%
Distance
1,182 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 138 | 35 | 1 | 1 | WN |
| Nov 2025 | 133 | 29 | 7 | 1 | WN |
| Oct 2025 | 140 | 34 | 1 | 1 | WN |
| Sep 2025 | 116 | 23 | 0 | 2 | WN |
| Aug 2025 | 120 | 20 | 0 | 0 | WN |
| Jul 2025 | 141 | 38 | 1 | 0 | WN |
| Jun 2025 | 137 | 55 | 0 | 0 | WN |
| May 2025 | 141 | 53 | 2 | 0 | WN |
| Apr 2025 | 137 | 35 | 2 | 1 | WN |
| Mar 2025 | 137 | 27 | 1 | 0 | WN |
| Feb 2025 | 121 | 14 | 0 | 1 | WN |
| Jan 2025 | 127 | 24 | 6 | 0 | WN |
| Dec 2024 | 137 | 43 | 5 | 5 | WN |
| Nov 2024 | 133 | 33 | 0 | 0 | WN |
| Oct 2024 | 131 | 33 | 0 | 2 | WN |
| Sep 2024 | 115 | 30 | 0 | 0 | WN |
| Aug 2024 | 121 | 23 | 0 | 0 | WN |
| Jul 2024 | 130 | 46 | 0 | 0 | WN |
| Jun 2024 | 127 | 42 | 1 | 0 | WN |
| May 2024 | 133 | 65 | 1 | 0 | WN |
| Apr 2024 | 126 | 42 | 0 | 0 | WN |
| Mar 2024 | 121 | 32 | 0 | 1 | WN |
| Feb 2024 | 104 | 21 | 0 | 0 | WN |
| Jan 2024 | 112 | 19 | 4 | 0 | WN |
DAL–SAN seasonal on-time pattern
Best: February (85.4%) · weakest: June (65.0%)
Strongest calendar month
February
85.4% on-time · ~95 flights/mo
Busiest calendar month
July
~114 flights/mo avg
Weakest calendar month
June
65.0% on-time · ~107 flights/mo
Cancellation Rate
1.0%
32 of 3,078 flights
Diversion Rate
0.5%
15 of 3,078 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DAL - Dallas
Full on-time, delay-cause, and seasonal performance for Dallas, TX.
DAL on-time profileSAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
SAN on-time profileCompare the two airports
See DAL and SAN side by side on delays, cancellations, and reliability.
Compare DAL vs SANOrigin-hub reliability standing
Mid-pack among DAL departures
From DAL, this corridor sits with 47 other 75–85% on-time routes out of 57 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 10 below 75%). Destination: San Diego · fleet on-time rank #4014 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DAL–SAN.
Routes with a similar on-time rate
What the Data Says About DAL to SAN
The Dallas to San Diego corridor (DAL to SAN) posts a 77.3% on-time rate on the lower edge of the average band, based on 7,756 tracked flights. Late flights run 55.1 minutes behind on average. 1 carrier cover the 1,182-mile route; over the last 24 months, 32 of 3,078 flights were cancelled (1.0%) and 0.5% diverted.
The monthly split is wide on this route: Feb 2025 posted the strongest performance at 88% on-time, while May 2024 came in at just 51% - a 37-point swing worth factoring into travel timing.
On the multi-year calendar, DAL–SAN peaks in February at 85.4% on-time while July carries the heaviest traffic (~114 flights per month) ; the softest month is June at 65.0%, a 20.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DAL to SAN rank among US routes by traffic? ▼
How often are flights delayed from DAL to SAN? ▼
What is the cancellation rate for DAL to SAN? ▼
How far is the flight from DAL to SAN? ▼
When is the best time to fly from DAL to SAN? ▼
Airports on this route
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.
Using DAL–SAN data
DAL–SAN is mid-pack at 77.3% on-time; month and carrier mix move more than the corridor headline.
- Compare DAL and SAN airport profiles: delay causes and top routes differ even on the same corridor. DAL airport
- If your dates flex, February (85.4% on-time) beats June (65.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 77.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.