Schedule: a typical Tuesday (the flights of Jul 28, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 3911 SCHEDULED · TYPICAL SCHEDULE

Tuesday, September 29 Yesterday

WN 3911 · BOS → MDW

departs 5:30 PM ET · arrives 7:25 PM CT

Forecast issued Tue 10:00 PM ET · 4h after departure

WN 3911 isn’t flying BOS → MDW on Tue, Sep 29

This listing came from a typical schedule. According to the FAA, WN 3911 flies these legs that day:

SAN → SAT · 5:43 PM · scheduled
SAN → SAT · 6:05 PM · landed