Schedule: a typical Sunday (the flights of Jul 26, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

FRONTIER · FLIGHT F9 1441 SCHEDULED · TYPICAL SCHEDULE

F9 1441 · ATL → ORD

departs 6:35 AM ET · arrives 7:53 AM CT
Forecast issued Thu 5:00 PM ET · 62h before departure

Odds over time

Arrive at ORD more than 15 minutes late?
19% chance · ±2 pts −2 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 5.4d Now 2d 1d 12h 6h Departs Lands

How late will it get to ORD?

  1. On time or early
    80%
  2. 15–30 min late
    2%
  3. 30 min–1 hour late
    11%
  4. 1–2 hours late
    2%
  5. Over 2 hours late
    5%
  6. Cancelled
    1%

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