Flight UA399
United Airlines | Chicago to Boston
Departure
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Return
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UA399 | Chicago to Boston
Operated by United Airlines with 80% on-time rate. Check schedules, fares & cabin info to book your perfect journey!
Flight Information
Chicago (ORD) to Boston (BOS)
80%On-time Rate
Departure
11:05
O'Hare International Airport
ORD
Terminal T1
2h 25m
Direct
Arrival
13:49
Logan International Airport B
BOS
Airline
United Airlines
Aircraft
Boeing 737-800
Seats
166
Aircraft Age
24y, 5m
Boarding Gate: --
Check-in closes at 2026-01-21 10:20. Passengers are advised to arrive at the airport at least 2 hours prior to boarding.
Flight Punctuality
On-time performance data for flight UA399
Departure Punctuality
On-time Rate
Punctuality 47%
Avg Delay
Late on average 44 minutes
Early
0%
On-time
47%
Delay <30min
23%
Delay 30-60min
20%
Delay >60min
10%
Cancelled
0%
Arrival Punctuality
On-time Rate
Punctuality 47%
Avg Delay
Late on average 44 minutes
Early
0%
On-time
47%
Delay <30min
23%
Delay 30-60min
20%
Delay >60min
10%
Cancelled
0%
Based on UA399 flight history for Last 30 Days. On-time rate: Punctuality 47%, average delay: Late on average 44 minutes.
Flight Schedule
Upcoming schedule for flight UA399
Fri, Jan 16
UA399
United Airlines
738
13:03
ORD
Chicago
Direct
15:50
BOS
Boston
Mon, Jan 19
UA399
United Airlines
738
12:47
ORD
Chicago
Direct
15:26
BOS
Boston
Sat, Jan 17
UA399
United Airlines
A21N
10:58
ORD
Chicago
Direct
13:45
BOS
Boston
Sun, Jan 18
UA399
United Airlines
738
11:30
ORD
Chicago
Direct
14:21
BOS
Boston
Thu, Jan 22
UA399
United Airlines
738
11:05
ORD
Chicago
Direct
14:29
BOS
Boston
Tue, Jan 20
UA399
United Airlines
A21N
11:06
ORD
Chicago
Direct
13:50
BOS
Boston
Wed, Jan 21
UA399
United Airlines
A21N
11:05
ORD
Chicago
Direct
13:49
BOS
Boston
Schedule Information
Flight schedules are subject to change. Please check with the airline for the most up-to-date information.
Cabin Information
Available cabin classes for flight UA399
✈️
Economy
UA399
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
Facilities & Amenities
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
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