WN1021 MDW → SAN

Southwest Airlines · Chicago, IL to San Diego, CA · 41 flights observed, 2025-11-02 to 2026-01-05 · 1,728 mi

WN1021 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
73%
Median delay
0 min
90th percentile
+49 min
Cancellation rate
0%

How often is WN1021 on time?

Across 41 flights on MDW → SAN from 2025-11-02 to 2026-01-05, WN1021 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +49 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3073%
16-30 min37%
31-60 min615%
61-120 min25%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112181%+2 min
2025-121867%+13 min
2026-01250%+23 min

Performance by day of week

DayFlightsOn-time
Mon757%
Tue683%
Wed863%
Thu888%
Fri667%
SatNo data—
Sun683%

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