DCA → DAL Southwest Airlines

Southwest Airlines · Washington, DC to Dallas, TX · 1,735 flights, 2025-07-01 to 2026-06-30 · aggregated across 88 flight numbers

This route is usually on time, but has a real long-delay tail — typical (median) delay is -2 min, while the worst 10% run +59 min or later.
On-time arrival
74%
Median delay
-2 min
90th percentile
+59 min
Cancellation rate
2%

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

Across every Southwest Airlines flight number on DCA → DAL (1,735 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +59 min or later. 2% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,25174%
16-30 min1378%
31-60 min1469%
61-120 min1016%
2+ hrs593%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0714271%+19 min
2025-0814373%+12 min
2025-0914077%+6 min
2025-1014475%+14 min
2025-1113676%+8 min
2025-1214880%+5 min
2026-0113983%+5 min
2026-0212976%+6 min
2026-0314875%+8 min
2026-0414176%+7 min
2026-0514165%+14 min
2026-0614359%+27 min

Performance by day of week

DayFlightsOn-time
Mon25576%
Tue26279%
Wed25677%
Thu25372%
Fri24971%
Sat17178%
Sun24865%

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