United Airlines
UA366Boston to Chicago
United Airlines flight UA366 flies from Boston (BOS) to Chicago O'Hare (ORD), 1,391 km. Over August 2025 to July 2026 it usually arrives about 3 minutes early: 87% of 401 flights arrived within 15 minutes of schedule and 3.2% were cancelled (US Department of Transportation data).
On-time record, last 12 months
87%
on time (within 15 min)
10%
more than 30 min late
3.2%
cancelled
-3 min
average arrival vs schedule
Every operation of UA366, August 2025 to July 2026: 401 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA366
- Boston (BOS) to Chicago O'Hare (ORD)58 flights
- Reno Tahoe (RNO) to San Francisco (SFO)52 flights
- West Palm Beach (PBI) to Houston (IAH)45 flights
- Boston (BOS) to San Francisco (SFO)37 flights
- San Francisco (SFO) to Santa Ana (SNA)36 flights
- Newark Liberty (EWR) to Boston (BOS)36 flights
- New York (LGA) to Chicago O'Hare (ORD)28 flights
- Dallas-Fort Worth (DFW) to Newark Liberty (EWR)25 flights
- Houston (IAH) to Seattle Tacoma (SEA)24 flights
- San Francisco (SFO) to Newark Liberty (EWR)23 flights
Other flights from Boston to Chicago
More about Boston (BOS) and Chicago O'Hare (ORD).
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