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 | |
|---|---|---|---|---|---|---|---|
| 6 Aug 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
13:45
EDT |
E45X | N21197 | Play |
| 5 Aug 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:07
EDT |
E45X | N12195 | Play |
| 4 Aug 2026 |
11:20
EDT |
Washington IAD
|
Knoxville TYS
|
13:44
EDT |
E45X | N12136 | Play |
| 3 Aug 2026 |
09:25
EDT |
Washington IAD
|
Knoxville TYS
|
13:48
EDT |
E45X | N21129 | Play |
| 2 Aug 2026 |
09:25
EDT |
Washington IAD
|
Knoxville TYS
|
13:40
EDT |
E45X | N31131 | Play |
| 1 Aug 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:08
EDT |
E45X | N11193 | Play |
| 31 Jul 2026 |
11:10
EDT |
Washington IAD
|
Knoxville TYS
|
13:40
EDT |
E45X | N12135 | Play |
| 30 Jul 2026 |
12:25
EDT |
Washington IAD
|
Knoxville TYS
|
13:28
EDT |
E45X | N16151 | Play |
| 29 Jul 2026 |
12:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:37
EDT |
E45X | N21154 | Play |
| 28 Jul 2026 |
09:40
EDT |
Washington IAD
|
Knoxville TYS
|
17:31
EDT |
E45X | N12201 | Play |
| 27 Jul 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:20
EDT |
E45X | N21154 | Play |
| 26 Jul 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
12:17
EDT |
E45X | N11191 | Play |
| 25 Jul 2026 |
09:45
EDT |
Washington IAD
|
Knoxville TYS
|
10:50
EDT |
E45X | N14174 | Play |
| 24 Jul 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
10:28
EDT |
E45X | N14174 | Play |
| 23 Jul 2026 |
09:40
EDT |
Washington IAD
|
Knoxville TYS
|
13:46
EDT |
E45X | N14168 | Play |
| 22 Jul 2026 |
10:25
EDT |
Washington IAD
|
Knoxville TYS
|
14:37
EDT |
E45X | N21197 | Play |
| 21 Jul 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
20:27
EDT |
E45X | N14174 | Play |
| 20 Jul 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:08
EDT |
E45X | N13202 | Play |
| 19 Jul 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:36
EDT |
E45X | N14188 | Play |
| 18 Jul 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
11:22
EDT |
E45X | N16170 | Play |
| 17 Jul 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:43
EDT |
E45X | N11191 | Play |
| 16 Jul 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:09
EDT |
E45X | N17196 | Play |
| 15 Jul 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
10:08
EDT |
E45X | N16149 | Play |
| 14 Jul 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
10:24
EDT |
E45X | N27200 | Play |
| 13 Jul 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:12
EDT |
E45X | N16147 | Play |
| 12 Jul 2026 |
12:25
EDT |
Washington IAD
|
Knoxville TYS
|
13:27
EDT |
E45X | N17169 | Play |
| 11 Jul 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
13:48
EDT |
E45X | N17146 | Play |
| 10 Jul 2026 |
10:25
EDT |
Washington IAD
|
Knoxville TYS
|
13:50
EDT |
E45X | N12175 | Play |
| 9 Jul 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:32
EDT |
E45X | N16178 | Play |
| 8 Jul 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:29
EDT |
E45X | N16178 | Play |
