Schedule: FAA flight plans.
DELTA · FLIGHT DL 1599
SCHEDULED
Tomorrow
DL 1599 · BOS → DCA
departs 8:11 PM ET · arrives 9:57 PM ET
Forecast issued Mon 8:00 PM ET · 24h before departure
Odds over time
Arrive at DCA more than 15 minutes late?
58%
chance · ±0 pts
+7 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
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How late will it get to DCA?
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On time or early
41%
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15–30 min late
16%
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30 min–1 hour late
19%
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1–2 hours late
17%
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Over 2 hours late
6%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.