Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
DELTA · FLIGHT DL 1390
SCHEDULED · TYPICAL SCHEDULE
DL 1390 · LGA → ORD
departs 4:00 PM ET · arrives 6:03 PM CT
Forecast issued Wed 8:00 PM ET · 44h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
48%
chance · ±2 pts
+13 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
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How late will it get to ORD?
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On time or early
49%
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15–30 min late
0%
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30 min–1 hour late
22%
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1–2 hours late
13%
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Over 2 hours late
10%
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Cancelled
7%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.