Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 539SCHEDULED · TYPICAL SCHEDULE
Tomorrow
DL 539 · PDX → ATL
departs 11:37 AM PT · arrives 7:21 PM ET
Forecast issued Fri 11:00 PM ET · 16h before departure
Odds over time
Arrive at ATL more than 15 minutes late?
12%chance · ±2 pts−3 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to ATL?
On time or early
87%
15–30 min late
7%
30 min–1 hour late
3%
1–2 hours late
2%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.