United Airlines Flight UA4257 UCA4257
Service Type
Passenger
Seats
50
Freight
--
Capacity
1 tonnes
Upcoming Flights
| Date | Departing | From | To | Arriving | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 8 Nov 2026 |
09:40
EST |
Washington IAD
|
Knoxville TYS
|
11:30
EST |
ERJ | Unknown | Play |
| 7 Nov 2026 |
09:40
EST |
Washington IAD
|
Knoxville TYS
|
11:30
EST |
ERJ | Unknown | Play |
| 6 Nov 2026 |
09:40
EST |
Washington IAD
|
Knoxville TYS
|
11:30
EST |
ERJ | Unknown | Play |
| 5 Nov 2026 |
09:40
EST |
Washington IAD
|
Knoxville TYS
|
11:30
EST |
ERJ | Unknown | Play |
| 4 Nov 2026 |
09:40
EST |
Washington IAD
|
Knoxville TYS
|
11:30
EST |
ERJ | Unknown | Play |
| 3 Nov 2026 |
09:40
EST |
Washington IAD
|
Knoxville TYS
|
11:30
EST |
ERJ | Unknown | Play |
| 1 Nov 2026 |
09:40
EST |
Washington IAD
|
Knoxville TYS
|
11:30
EST |
E45X | N14198 | Play |
Past Flights
| Date | Departed | From | To | Arrived | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 12 Aug 2025 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:44
EDT |
E45X | N14198 | Play |
| 11 Aug 2025 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:19
EDT |
E45X | N16178 | Play |
| 10 Aug 2025 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
12:07
EDT |
E45X | N14143 | Play |
| 9 Aug 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:03
EDT |
E45X | N16149 | Play |
| 8 Aug 2025 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
12:12
EDT |
E45X | N17169 | Play |
| 7 Aug 2025 |
08:50
EDT |
Washington IAD
|
Knoxville TYS
|
12:09
EDT |
E45X | N24128 | Play |
| 6 Aug 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
10:15
EDT |
E45X | N17146 | Play |
| 5 Aug 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
12:13
EDT |
E45X | N14203 | Play |
| 4 Aug 2025 |
08:50
EDT |
Washington IAD
|
Knoxville TYS
|
10:43
EDT |
E45X | N14198 | Play |
| 3 Aug 2025 |
10:15
EDT |
Washington IAD
|
Knoxville TYS
|
11:27
EDT |
E45X | N17146 | Play |
| 2 Aug 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
12:21
EDT |
E45X | N12167 | Play |
| 1 Aug 2025 |
09:50
EDT |
Washington IAD
|
Knoxville TYS
|
12:08
EDT |
E45X | N17146 | Play |
| 31 Jul 2025 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
12:05
EDT |
E45X | N12175 | Play |
| 30 Jul 2025 |
08:40
EDT |
Washington IAD
|
Knoxville TYS
|
10:07
EDT |
E45X | N14168 | Play |
| 29 Jul 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
10:11
EDT |
E45X | N14148 | Play |
| 28 Jul 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
12:57
EDT |
E45X | N11193 | Play |
| 27 Jul 2025 |
12:40
EDT |
Washington IAD
|
Knoxville TYS
|
15:10
EDT |
E45X | N12142 | Play |
| 26 Jul 2025 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
12:15
EDT |
E45X | N16170 | Play |
| 25 Jul 2025 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
12:15
EDT |
E45X | N33182 | Play |
| 24 Jul 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:12
EDT |
E45X | N16170 | Play |
| 23 Jul 2025 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
12:10
EDT |
E45X | N11189 | Play |
| 22 Jul 2025 |
09:35
EDT |
Washington IAD
|
Knoxville TYS
|
10:37
EDT |
E45X | N14188 | Play |
| 21 Jul 2025 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:20
EDT |
E45X | N21129 | Play |
| 20 Jul 2025 |
08:50
EDT |
Washington IAD
|
Knoxville TYS
|
12:11
EDT |
E45X | N12136 | Play |
| 19 Jul 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
10:29
EDT |
E45X | N21144 | Play |
| 18 Jul 2025 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
12:20
EDT |
E45X | N12142 | Play |
| 17 Jul 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:34
EDT |
E45X | N12136 | Play |
| 16 Jul 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
10:04
EDT |
E45X | N11191 | Play |
| 15 Jul 2025 |
08:50
EDT |
Washington IAD
|
Knoxville TYS
|
12:12
EDT |
E45X | N12142 | Play |
| 14 Jul 2025 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
12:19
EDT |
E45X | N21154 | Play |
