Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 504 SCHEDULED · TYPICAL SCHEDULE
Today

UA 504 · BWI → SFO

departs 6:59 PM ET · arrives 9:50 PM PT
Forecast issued Fri 9:00 AM ET · 10h before departure

Odds over time

Arrive at SFO more than 15 minutes late?
48% chance · ±0 pts +26 pts · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 3.9d 2d 1d Now 6h Departs Lands

How late will it get to SFO?

  1. On time or early
    50%
  2. 15–30 min late
    29%
  3. 30 min–1 hour late
    4%
  4. 1–2 hours late
    8%
  5. Over 2 hours late
    5%
  6. Cancelled
    4%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.