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 2143SCHEDULED · TYPICAL SCHEDULE
Today
UA 2143 · EWR → SJU
departs 8:00 AM ET · arrives 12:04 PM AT
Forecast issued Fri 5:00 AM ET · 3h before departure
Odds over time
Arrive at SJU more than 15 minutes late?
28%chance · ±0 pts+10 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to SJU?
On time or early
69%
15–30 min late
17%
30 min–1 hour late
2%
1–2 hours late
5%
Over 2 hours late
3%
Cancelled
5%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.