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United Airlines

UA664Las Vegas to Chicago

United Airlines flight UA664 flies from Las Vegas (LAS) to Chicago O'Hare (ORD), 2,432 km. Over August 2025 to July 2026 it usually arrives about 11 minutes late: 76% of 658 flights arrived within 15 minutes of schedule and 1.5% were cancelled (US Department of Transportation data).

On-time record, last 12 months

76%
on time (within 15 min)
17%
more than 30 min late
1.5%
cancelled
+11 min
average arrival vs schedule

Every operation of UA664, August 2025 to July 2026: 658 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as UA664

Other flights from Las Vegas to Chicago

UA1006UA1050UA1062UA1159UA1209UA1229UA1231UA1259UA1335UA1409UA1436UA1504

More about Las Vegas (LAS) and Chicago O'Hare (ORD).

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UA664 is on time 76% of the time
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UA664 is on time 76% of the time
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