Schedule: a typical Monday (the flights of Jul 27, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
SOUTHWEST · FLIGHT WN 884SCHEDULED · TYPICAL ODDS
WN 884 · BWI → BOS
departs 8:15 AM ET · arrives 9:50 AM ET
Forecast issued Tue 12:00 AM ET · 152h before departure
Typical odds
Too early for a weather forecast — these are typical odds for this flight on a Monday in October, from the weather this date has had in past years (the range shows how much they varied). They’ll switch to forecast-based odds about 3 days before departure.
Odds over time
Arrive at BOS more than 15 minutes late?
8%chance · ±3 pts– · 24h
HOW SURE WE ARELow. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
How late will it get to BOS?
On time or early
91%
15–30 min late
3%
30 min–1 hour late
3%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.