United Airlines Flight UA4257 UCA4257
Service Type
Passenger
Seats
50
Freight
--
Capacity
1 tonnes
Upcoming Flights
| Date | Departing | From | To | Arriving | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 28 Oct 2026 |
09:40
EDT |
Washington IAD
|
Knoxville TYS
|
11:30
EDT |
ERJ | Unknown | Play |
| 27 Oct 2026 |
09:40
EDT |
Washington IAD
|
Knoxville TYS
|
11:30
EDT |
ERJ | Unknown | Play |
| 26 Oct 2026 |
09:40
EDT |
Washington IAD
|
Knoxville TYS
|
11:30
EDT |
ERJ | Unknown | Play |
| 24 Oct 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
10:37
EDT |
ERJ | Unknown | Play |
| 23 Oct 2026 |
08:25
EDT |
Washington IAD
|
Syracuse SYR
|
09:48
EDT |
ERJ | Unknown | Play |
| 22 Oct 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
10:37
EDT |
E45X | N11165 | Play |
Past Flights
| Date | Departed | From | To | Arrived | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 16 Apr 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
11:34
EDT |
E45X | N12175 | Play |
| 15 Apr 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
11:30
EDT |
E45X | N13124 | Play |
| 14 Apr 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
11:31
EDT |
E45X | N21129 | Play |
| 13 Apr 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:43
EDT |
E45X | N16149 | Play |
| 12 Apr 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:20
EDT |
E45X | N10156 | Play |
| 11 Apr 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
11:45
EDT |
E45X | N13202 | Play |
| 10 Apr 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
11:38
EDT |
E45X | N12145 | Play |
| 9 Apr 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
11:34
EDT |
E45X | N11165 | Play |
| 8 Apr 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
11:40
EDT |
E45X | N14143 | Play |
| 7 Apr 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:17
EDT |
E45X | N13161 | Play |
| 6 Apr 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:30
EDT |
E45X | N14148 | Play |
| 5 Apr 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
11:37
EDT |
E45X | N14168 | Play |
| 4 Apr 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:18
EDT |
E45X | N17138 | Play |
| 3 Apr 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:44
EDT |
E45X | N14203 | Play |
| 2 Apr 2026 |
12:30
EDT |
Washington IAD
|
Knoxville TYS
|
13:39
EDT |
E45X | N11193 | Play |
| 1 Apr 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
11:39
EDT |
E45X | N12160 | Play |
| 31 Mar 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:51
EDT |
E45X | N11164 | Play |
| 30 Mar 2026 |
09:25
EDT |
Washington IAD
|
Knoxville TYS
|
11:41
EDT |
E45X | N14203 | Play |
| 29 Mar 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:15
EDT |
E45X | N21154 | Play |
| 28 Mar 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:32
EDT |
E45X | N17138 | Play |
| 27 Mar 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:19
EDT |
E45X | N13202 | Play |
| 26 Mar 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
11:52
EDT |
E45X | N14162 | Play |
| 25 Mar 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:29
EDT |
E45X | N27200 | Play |
| 24 Mar 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:43
EDT |
E45X | N23139 | Play |
| 23 Mar 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:50
EDT |
E45X | N14188 | Play |
| 22 Mar 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
11:49
EDT |
E45X | N16151 | Play |
| 21 Mar 2026 |
09:30
EDT |
Washington IAD
|
Knoxville TYS
|
10:43
EDT |
E45X | N14162 | Play |
| 20 Mar 2026 |
10:00
EDT |
Washington IAD
|
Knoxville TYS
|
11:12
EDT |
E45X | N11199 | Play |
| 19 Mar 2026 |
10:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:54
EDT |
E45X | N12163 | Play |
| 18 Mar 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
10:36
EDT |
E45X | N21154 | Play |
