Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
WN 4231 · SFO → LAS
departs 5:00 AM PT · arrives 6:35 AM PT
WN 4231 isn’t flying SFO → LAS on Fri, Oct 2
This listing came from a typical schedule. According to the FAA, WN 4231 flies these legs that day:
- BOI → DEN · 4:00 PM · scheduled