Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
UNITED · FLIGHT UA 1646SCHEDULED · TYPICAL SCHEDULE
Today
UA 1646 · DEN → BWI
departs 5:53 PM MT · arrives 11:30 PM ET
Forecast issued Thu 4:00 PM ET · 4h before departure
Odds over time
Arrive at BWI more than 15 minutes late?
56%chance · ±0 pts+25 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to BWI?
On time or early
43%
15–30 min late
38%
30 min–1 hour late
0%
1–2 hours late
16%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.