SAN → DAL Southwest Airlines

Southwest Airlines · San Diego, CA to Dallas, TX · 1,569 flights, 2025-07-01 to 2026-06-30 · aggregated across 79 flight numbers

This route runs much more reliably at some times of day than others — 90% on-time departing 6–9am vs. 50% departing 6–9pm.
On-time arrival
71%
Median delay
+2 min
90th percentile
+47 min
Cancellation rate
2%

How on-time is Southwest Airlines from SAN to DAL?

Across every Southwest Airlines flight number on SAN → DAL (1,569 flights, 2025-07-01 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay +2 min; the worst 10% ran +47 min or later. 2% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1,07771%
16-30 min18412%
31-60 min16511%
61-120 min755%
2+ hrs262%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0713674%+12 min
2025-0811873%+10 min
2025-0911384%-1 min
2025-1013779%+3 min
2025-1112368%+14 min
2025-1213772%+9 min
2026-0111275%+10 min
2026-0212075%+6 min
2026-0313560%+19 min
2026-0412970%+12 min
2026-0513359%+20 min
2026-0613460%+17 min

Performance by day of week

DayFlightsOn-time
Mon23765%
Tue22576%
Wed21580%
Thu23767%
Fri23566%
Sat15782%
Sun22162%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…