WN1786 MDW → SFO

Southwest Airlines · Chicago, IL to San Francisco, CA · 57 flights observed, 2026-04-07 to 2026-06-03 · 1,855 mi

This flight has been on time less than half the time (30%) — expect a real chance of a delay.

WN1786 covers more than one route in the data window — the stats below are for MDW → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
30%
Median delay
+34 min
90th percentile
+78 min
Cancellation rate
0%

How often is WN1786 on time?

Across 57 flights on MDW → SFO from 2026-04-07 to 2026-06-03, WN1786 arrived within 15 minutes of schedule 30% of the time. The median arrival delay was +34 min, and the worst 10% of flights arrived +78 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1730%
16-30 min916%
31-60 min1832%
61-120 min1119%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042421%+50 min
2026-053030%+32 min
2026-063100%+1 min

Performance by day of week

DayFlightsOn-time
Mon838%
Tue956%
Wed911%
Thu813%
Fri850%
Sat838%
Sun70%

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