WN2120 SAN → DAL

Southwest Airlines · San Diego, CA to Dallas, TX · 26 flights observed, 2026-04-07 to 2026-06-03 · 1,182 mi

This flight's reliability varies a lot by day of week — 88% on-time on Saturdays vs. 11% on Tuesdays.

WN2120 covers more than one route in the data window — the stats below are for SAN → DAL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
54%
Median delay
+11 min
90th percentile
+53 min
Cancellation rate
0%

How often is WN2120 on time?

Across 26 flights on SAN → DAL from 2026-04-07 to 2026-06-03, WN2120 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +53 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1454%
16-30 min519%
31-60 min519%
61-120 min14%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041155%+14 min
2026-051354%+24 min
2026-06250%+54 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue911%
Wed967%
ThuNo data—
FriNo data—
Sat888%
SunNo data—

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…