Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
AMERICAN · FLIGHT AA 1556SCHEDULED · TYPICAL SCHEDULE
Today
AA 1556 · BOS → DCA
departs 10:51 AM ET · arrives 12:33 PM ET
Forecast issued Tue 11:00 PM ET · 12h before departure
Odds over time
Arrive at DCA more than 15 minutes late?
15%chance · ±1 pts+5 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to DCA?
On time or early
84%
15–30 min late
6%
30 min–1 hour late
5%
1–2 hours late
1%
Over 2 hours late
2%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.