Schedule: FAA flight plans.
DELTA · FLIGHT DL 438
IN THE AIR (OFF 11:51 AM PT, ETA 7:38 PM ET)
Today
DL 438 · SEA → BOS
took off 11:51 AM PT · expected to land 7:38 PM ET (scheduled 11:15 AM PT → 7:43 PM ET)
Forecast issued Tue 4:00 PM ET · 2h after departure
Odds over time
Arrive at BOS more than 15 minutes late?
13%
chance · ±0 pts
−1 pt · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
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How late will it get to BOS?
LIVE
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On time or early
87%
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15–30 min late
12%
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30 min–1 hour late
<1%
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1–2 hours late
0%
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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.