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.
DELTA · FLIGHT DL 870SCHEDULED · TYPICAL SCHEDULE
Tomorrow
DL 870 · SEA → DFW
departs 5:55 PM PT · arrives 11:55 PM CT
Forecast issued Wed 10:00 AM ET · 35h before departure
Odds over time
Arrive at DFW more than 15 minutes late?
39%chance · ±4 pts−7 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to DFW?
On time or early
58%
15–30 min late
8%
30 min–1 hour late
11%
1–2 hours late
12%
Over 2 hours late
7%
Cancelled
4%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.