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 | |
|---|---|---|---|---|---|---|---|
| 19 Sep 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
13:15
EDT |
E45X | N21144 | Play |
| 18 Sep 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:23
EDT |
E45X | N12136 | Play |
| 17 Sep 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:33
EDT |
E45X | N12167 | Play |
| 14 Sep 2026 |
09:25
EDT |
Washington IAD
|
Knoxville TYS
|
13:33
EDT |
E45X | N12142 | Play |
| 13 Sep 2026 |
11:10
EDT |
Washington IAD
|
Knoxville TYS
|
14:40
EDT |
E45X | N12167 | Play |
| 12 Sep 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
17:33
EDT |
E45X | N14177 | Play |
| 7 Sep 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
13:13
EDT |
E45X | N11199 | Play |
| 6 Sep 2026 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
13:05
EDT |
E45X | N11165 | Play |
| 5 Sep 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
13:12
EDT |
E45X | N14174 | Play |
| 4 Sep 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
13:07
EDT |
E45X | N14162 | Play |
| 3 Sep 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:11
EDT |
E45X | N23139 | Play |
| 31 Aug 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
10:24
EDT |
E45X | N16178 | Play |
| 30 Aug 2026 |
11:55
EDT |
Washington IAD
|
Knoxville TYS
|
14:04
EDT |
E45X | N14162 | Play |
| 29 Aug 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:24
EDT |
E45X | N21154 | Play |
| 28 Aug 2026 |
14:35
EDT |
Washington IAD
|
Knoxville TYS
|
15:47
EDT |
E45X | N27190 | Play |
| 27 Aug 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
10:12
EDT |
E45X | N16170 | Play |
| 24 Aug 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:09
EDT |
E45X | N12136 | Play |
| 23 Aug 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:37
EDT |
E45X | N24128 | Play |
| 22 Aug 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
13:05
EDT |
E45X | N14162 | Play |
| 21 Aug 2026 |
09:30
EDT |
Washington IAD
|
Knoxville TYS
|
10:56
EDT |
E45X | N14162 | Play |
| 20 Aug 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
13:13
EDT |
E45X | N12175 | Play |
| 17 Aug 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:18
EDT |
E45X | N16183 | Play |
| 16 Aug 2026 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
13:08
EDT |
E45X | N14198 | Play |
| 15 Aug 2026 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
13:08
EDT |
E45X | N14198 | Play |
| 14 Aug 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
13:24
EDT |
E45X | N14153 | Play |
| 13 Aug 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:38
EDT |
E45X | N17146 | Play |
| 10 Aug 2026 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
13:53
EDT |
E45X | N12142 | Play |
| 9 Aug 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
12:22
EDT |
E45X | N14158 | Play |
| 8 Aug 2026 |
09:45
EDT |
Washington IAD
|
Knoxville TYS
|
13:42
EDT |
E45X | N21154 | Play |
| 7 Aug 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:17
EDT |
E45X | N12142 | Play |
