Flight UA4257
United Airlines | Washington D.C. to Knoxville
Departure
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Return
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UA4257 | Washington D.C. to Knoxville
Operated by United Airlines with 83% on-time rate. Check schedules, fares & cabin info to book your perfect journey!
Flight Information
Washington D.C. (IAD) to Knoxville (TYS)
83%On-time Rate
Departure
09:00
Dulles International Airport
IAD
1h 57m
Direct
Arrival
10:15
Mcghee Tyson Airport
TYS
Airline
United Airlines
Aircraft
Embraer RJ 135/140/145
Seats
Up to 50
Aircraft Age
21y, 5m
Boarding Gate: AREA 4
Please check in at the following counters: AREA 4.
Flight Punctuality
On-time performance data for flight UA4257
Departure Punctuality
On-time Rate
Punctuality 63%
Avg Delay
Late on average 40 minutes
Early
3%
On-time
60%
Delay <30min
17%
Delay 30-60min
3%
Delay >60min
17%
Cancelled
1%
Arrival Punctuality
On-time Rate
Punctuality 63%
Avg Delay
Late on average 40 minutes
Early
3%
On-time
60%
Delay <30min
17%
Delay 30-60min
3%
Delay >60min
17%
Cancelled
1%
Based on UA4257 flight history for Last 30 Days. On-time rate: Punctuality 63%, average delay: Late on average 40 minutes.
Flight Schedule
Upcoming schedule for flight UA4257
Fri, Jan 23
UA4257
United Airlines
E45X
08:57
IAD
Washington D.C.
Direct
10:12
TYS
Knoxville
Mon, Jan 26
UA4257
United Airlines
E45X
--
IAD
Washington D.C.
Direct
--
TYS
Knoxville
Sat, Jan 24
UA4257
United Airlines
E45X
09:14
IAD
Washington D.C.
Direct
10:30
TYS
Knoxville
Sun, Jan 25
UA4257
United Airlines
ERJ
--
IAD
Washington D.C.
Direct
--
TYS
Knoxville
Thu, Jan 22
UA4257
United Airlines
E45X
09:04
IAD
Washington D.C.
Direct
10:19
TYS
Knoxville
Tue, Jan 27
UA4257
United Airlines
E45X
09:00
IAD
Washington D.C.
Direct
10:15
TYS
Knoxville
Wed, Jan 28
UA4257
United Airlines
ERJ
09:00
IAD
Washington D.C.
Direct
10:57
TYS
Knoxville
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 UA4257
✈️
Economy
UA4257
Seat Information
79 cm
Legroom
--
Seat width
105°
Reclining Angle
Facilities & Amenities
Snacks
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
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