Schedule: FAA flight plans.
UNITED · FLIGHT UA 503
IN THE AIR (OFF 10:55 AM ET, ETA 12:05 PM CT)
Today
UA 503 · BOS → ORD
took off 10:55 AM ET · expected to land 12:05 PM CT (scheduled 10:35 AM ET → 12:28 PM CT)
Forecast issued Sun 10:00 AM ET · 1h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
<1%
chance · ±0 pts
+2 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
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How late will it get to ORD?
LIVE
-
On time or early
99%
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15–30 min late
<1%
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30 min–1 hour late
<1%
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1–2 hours late
0%
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Over 2 hours late
0%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%; while it’s in the air they come from the FAA’s arrival estimate.