United Airlines Flight UA4257 UCA4257
Service Type
Passenger
Seats
50
Freight
--
Capacity
1 tonnes
Upcoming Flights
| Date | Departing | From | To | Arriving | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 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 | |
|---|---|---|---|---|---|---|---|
| 17 Sep 2025 |
10:10
EDT |
Washington IAD
|
Knoxville TYS
|
12:16
EDT |
E45X | N31131 | Play |
| 16 Sep 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
09:55
EDT |
E45X | N14168 | Play |
| 15 Sep 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
09:56
EDT |
E45X | N11193 | Play |
| 14 Sep 2025 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:04
EDT |
E45X | N13124 | Play |
| 13 Sep 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
09:55
EDT |
E45X | N31131 | Play |
| 12 Sep 2025 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
10:17
EDT |
E45X | N12135 | Play |
| 11 Sep 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:13
EDT |
E45X | N10156 | Play |
| 10 Sep 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
10:09
EDT |
E45X | N11184 | Play |
| 9 Sep 2025 |
08:50
EDT |
Washington IAD
|
Knoxville TYS
|
10:03
EDT |
E45X | N14148 | Play |
| 8 Sep 2025 |
09:15
EDT |
Washington IAD
|
Knoxville TYS
|
10:29
EDT |
E45X | N11192 | Play |
| 7 Sep 2025 |
09:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:07
EDT |
E45X | N17159 | Play |
| 6 Sep 2025 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
12:06
EDT |
E45X | N16151 | Play |
| 5 Sep 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
13:08
EDT |
E45X | N12136 | Play |
| 4 Sep 2025 |
09:00
EDT |
Washington IAD
|
Knoxville TYS
|
12:17
EDT |
E45X | N14179 | Play |
| 3 Sep 2025 |
08:40
EDT |
Washington IAD
|
Knoxville TYS
|
12:08
EDT |
E45X | N14174 | Play |
| 2 Sep 2025 |
10:10
EDT |
Washington IAD
|
Knoxville TYS
|
12:11
EDT |
E45X | N14179 | Play |
| 1 Sep 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
10:08
EDT |
E45X | N17146 | Play |
| 31 Aug 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
09:58
EDT |
E45X | N14198 | Play |
| 30 Aug 2025 |
12:30
EDT |
Washington IAD
|
Knoxville TYS
|
13:44
EDT |
E45X | N12136 | Play |
| 29 Aug 2025 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
12:14
EDT |
E45X | N21129 | Play |
| 25 Aug 2025 |
09:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:17
EDT |
E45X | N14168 | Play |
| 24 Aug 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
10:03
EDT |
E45X | N21144 | Play |
| 23 Aug 2025 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
12:30
EDT |
E45X | N14168 | Play |
| 22 Aug 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:04
EDT |
E45X | N17169 | Play |
| 18 Aug 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:10
EDT |
E45X | N17169 | Play |
| 17 Aug 2025 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
12:05
EDT |
E45X | N14186 | Play |
| 16 Aug 2025 |
11:55
EDT |
Washington IAD
|
Knoxville TYS
|
13:05
EDT |
E45X | N24128 | Play |
| 15 Aug 2025 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:16
EDT |
E45X | N17196 | Play |
| 14 Aug 2025 |
08:45
EDT |
Washington IAD
|
Knoxville TYS
|
12:15
EDT |
E45X | N12163 | Play |
| 13 Aug 2025 |
08:55
EDT |
Washington IAD
|
Knoxville TYS
|
12:35
EDT |
E45X | N16183 | Play |
