WN1275 MDW → SAN

Southwest Airlines · Chicago, IL to San Diego, CA · 19 flights observed, 2025-07-03 to 2025-08-04 · 1,728 mi

This flight's reliability varies a lot by day of week — 80% on-time on Mondays vs. 40% on Thursdays.

WN1275 covers more than one route in the data window — the stats below are for MDW → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
56%
Median delay
+12 min
90th percentile
+83 min
Cancellation rate
5%

How often is WN1275 on time?

Across 19 flights on MDW → SAN from 2025-07-03 to 2025-08-04, WN1275 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +83 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1056%
16-30 min211%
31-60 min317%
61-120 min317%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071553%+28 min
2025-08367%+6 min

Performance by day of week

DayFlightsOn-time
Mon580%
TueNo data—
WedNo data—
Thu540%
Fri30%
Sat580%
SunNo data—

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