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 1156 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

DL 1156 · AUS → BOS

departs 2:30 PM CT · arrives 7:42 PM ET
Forecast issued Wed 11:00 AM ET · 28h before departure

Odds over time

Arrive at BOS more than 15 minutes late?
48% chance · ±8 pts +5 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 2.8d 2d Now 1d 12h 6h Departs Lands

How late will it get to BOS?

  1. On time or early
    51%
  2. 15–30 min late
    6%
  3. 30 min–1 hour late
    20%
  4. 1–2 hours late
    8%
  5. Over 2 hours late
    13%
  6. Cancelled
    2%

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