Schedule: FAA flight plans.
SOUTHWEST · FLIGHT WN 4999
IN THE AIR (OFF 10:33 AM CT, ETA 1:33 PM ET)
Today
WN 4999 · BNA → BOS
took off 10:33 AM CT · expected to land 1:33 PM ET (scheduled 10:15 AM CT → 1:45 PM ET)
Forecast issued Mon 12:00 PM ET · 1h after departure
Odds over time
Arrive at BOS more than 15 minutes late?
3%
chance · ±0 pts
+2 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
-
-
-
-
How late will it get to BOS?
LIVE
-
On time or early
97%
-
15–30 min late
3%
-
30 min–1 hour late
<1%
-
1–2 hours late
0%
-
Over 2 hours late
0%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%; while it’s in the air they come from the FAA’s arrival estimate.