Route on-time record

DAL to SAN: most on-time flights and the best time to fly

Dallas (Dallas Love Field) to San Diego (San Diego International Airport). 1,576 nonstop flights in Jun 2025 to May 2026, 75% arrived within 15 minutes and 1.1% were cancelled. The most reliable flight number was Southwest 3549 at 6:20 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

DAL → SAN

Dallas to San Diego: 1,576 nonstop flights a year

On time (12 months)

75%

Cancelled

1.1%

avg delay 14 min

Best time to leave

Before 9 AM

94% on time vs 56% after 9 PM

Most reliable airline

Southwest

75% chance on time

Check DAL to SAN fares

Lowest nonstop fare seen in the next two months: $124 (Southwest 2375 on 2026-11-17). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · Southwest 3549
6:20 AM → 7:30 AM3h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 464; its record covers all of them.
93%
chance on time
On time (history)
95%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 95% of the time (88 flights, Jun 2025 to May 2026).
- Never cancelled in 88 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 56%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Moderate track record · 88 flights
Find Southwest 3549 fares Opens this date on Aviasales
#2 · Southwest 4626
8:55 AM → 10:15 AM3h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
88%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 56%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Lands inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
Limited track record · 23 flights
Find Southwest 4626 fares Opens this date on Aviasales
#3 · Southwest 3254
11:45 AM → 12:55 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-05-27. Same departure also flew as Southwest 3968; its record covers all of them.
76%
chance on time
On time (history)
77%
Cancelled
0.0%
Avg arrival delay
10 min
- Arrived on time 77% of the time (44 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (44 flights), so its score leans on the airline's record at this hour.
Limited track record · 44 flights
Find Southwest 3254 fares Opens this date on Aviasales
#4 · Southwest 1650
4:45 PM → 6:00 PM3h 15m nonstop
Local times, typical schedule. Last flown 2026-05-30.
72%
chance on time
On time (history)
71%
Cancelled
0.0%
Avg arrival delay
10 min
- Arrived on time 71% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (31 flights), so its score leans on the airline's record at this hour.
Limited track record · 31 flights
Find Southwest 1650 fares Opens this date on Aviasales
#5 · Southwest 2270
9:30 AM → 10:45 AM3h 15m nonstop
Local times, typical schedule. Last flown 2026-05-29.
71%
chance on time
On time (history)
61%
Cancelled
0.0%
Avg arrival delay
20 min
- Arrived on time 61% of the time (23 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Lands inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 2270 fares Opens this date on Aviasales
#6 · Southwest 224
7:15 PM → 8:25 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-05-30.
71%
chance on time
On time (history)
63%
Cancelled
0.0%
Avg arrival delay
16 min
- Arrived on time 63% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 72% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 224 fares Opens this date on Aviasales
#7 · Southwest 2734
11:25 AM → 12:40 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
On time (history)
62%
Cancelled
0.0%
Avg arrival delay
29 min
- Arrived on time 62% of the time (47 flights, Jun 2025 to May 2026).
- Never cancelled in 47 scheduled flights.
- Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- 52% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 47 flights
Find Southwest 2734 fares Opens this date on Aviasales
#8 · Southwest 4468
6:10 PM → 7:30 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-04-01.
69%
chance on time
On time (history)
75%
Cancelled
0.0%
Avg arrival delay
10 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 51% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 4468 fares Opens this date on Aviasales
#9 · Southwest 509
7:25 PM → 8:45 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
63%
chance on time
On time (history)
50%
Cancelled
0.0%
Avg arrival delay
21 min
- Arrived on time 50% of the time (20 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 69% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 509 fares Opens this date on Aviasales
#10 · Southwest 2293
9:15 PM → 10:30 PM3h 15m nonstop
Local times, typical schedule. Last flown 2026-04-06.
62%
chance on time
On time (history)
60%
Cancelled
0.0%
Avg arrival delay
30 min
- Arrived on time 60% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (After 9 PM: 56% on time; Before 9 AM: 94%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 54% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 20 flights
Find Southwest 2293 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Southwest Airlines75%
1,576 flights · 75% on time as flown · 1.1% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM94%
436 flights · avg delay 3 min
9 AM to noon76%
312 flights · avg delay 13 min
Noon to 3 PM73%
162 flights · avg delay 12 min
3 to 6 PM69%
251 flights · avg delay 21 min
6 to 9 PM61%
294 flights · avg delay 24 min
After 9 PM56%
121 flights · avg delay 25 min

Best day: Saturday (79%). Worst: Sunday (70%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Late-arriving aircraft43%
Airline (crew, maintenance, boarding)35%
Air traffic control and airport volume19%
Severe weather3%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

DAL to SAN questions

What time of day is best to fly DAL to SAN?: Before 9 AM: 94% of flights arrived on time, against 56% for departures after 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from DAL to SAN?: Southwest, with a season-adjusted 75% chance of operating and arriving on time over 1,576 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on DAL to SAN?: May (61% on time); the best was February (84%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from DAL

Live status: FAA delays and ground stops

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Ask ATIS