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 | |
|---|---|---|---|---|---|---|---|
| 17 Mar 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:29
EDT |
E45X | N16151 | Play |
| 16 Mar 2026 |
11:55
EDT |
Washington IAD
|
Knoxville TYS
|
18:10
EDT |
E45X | N17196 | Play |
| 15 Mar 2026 |
12:30
EDT |
Washington IAD
|
Knoxville TYS
|
13:32
EDT |
E45X | N14125 | Play |
| 14 Mar 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
10:21
EDT |
E45X | N11165 | Play |
| 13 Mar 2026 |
12:30
EDT |
Washington IAD
|
Knoxville TYS
|
13:40
EDT |
E45X | N17138 | Play |
| 12 Mar 2026 |
09:20
EDT |
Washington IAD
|
Knoxville TYS
|
16:06
EDT |
E45X | N14158 | Play |
| 11 Mar 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:30
EDT |
E45X | N17146 | Play |
| 10 Mar 2026 |
09:10
EDT |
Washington IAD
|
Knoxville TYS
|
10:19
EDT |
E45X | N23139 | Play |
| 9 Mar 2026 |
11:55
EDT |
Washington IAD
|
Knoxville TYS
|
13:03
EDT |
E45X | N16170 | Play |
| 8 Mar 2026 |
09:05
EDT |
Washington IAD
|
Knoxville TYS
|
11:49
EDT |
E45X | N14148 | Play |
| 7 Mar 2026 |
09:10
EST |
Washington IAD
|
Knoxville TYS
|
11:42
EST |
E45X | N12160 | Play |
| 6 Mar 2026 |
09:05
EST |
Washington IAD
|
Knoxville TYS
|
11:41
EST |
E45X | N14174 | Play |
| 5 Mar 2026 |
07:35
CST |
Birmingham BHM
|
Houston IAH
|
10:44
CST |
E45X | N27190 | Play |
| 4 Mar 2026 |
09:00
EST |
Washington IAD
|
Knoxville TYS
|
11:54
EST |
E45X | N31131 | Play |
| 3 Mar 2026 |
09:30
EST |
Washington IAD
|
Knoxville TYS
|
12:04
EST |
E45X | N21129 | Play |
| 2 Mar 2026 |
09:00
EST |
Washington IAD
|
Knoxville TYS
|
10:16
EST |
E45X | N12160 | Play |
| 1 Mar 2026 |
08:55
EST |
Washington IAD
|
Knoxville TYS
|
11:47
EST |
E45X | N27190 | Play |
| 28 Feb 2026 |
09:10
EST |
Washington IAD
|
Knoxville TYS
|
10:26
EST |
E45X | N16151 | Play |
| 27 Feb 2026 |
09:05
EST |
Washington IAD
|
Knoxville TYS
|
10:22
EST |
E45X | N11165 | Play |
| 26 Feb 2026 |
09:00
EST |
Washington IAD
|
Knoxville TYS
|
10:50
EST |
E45X | N17159 | Play |
| 25 Feb 2026 |
09:05
EST |
Washington IAD
|
Knoxville TYS
|
11:44
EST |
E45X | N11165 | Play |
| 24 Feb 2026 |
09:15
EST |
Washington IAD
|
Knoxville TYS
|
11:47
EST |
E45X | N11192 | Play |
| 23 Feb 2026 |
08:55
EST |
Washington IAD
|
Knoxville TYS
|
11:42
EST |
E45X | N24128 | Play |
| 22 Feb 2026 |
09:05
EST |
Washington IAD
|
Knoxville TYS
|
11:54
EST |
E45X | N21154 | Play |
| 21 Feb 2026 |
09:10
EST |
Washington IAD
|
Knoxville TYS
|
11:45
EST |
E45X | N16147 | Play |
| 20 Feb 2026 |
09:05
EST |
Washington IAD
|
Knoxville TYS
|
10:36
EST |
E45X | N14198 | Play |
| 19 Feb 2026 |
09:20
EST |
Washington IAD
|
Knoxville TYS
|
10:28
EST |
E45X | N14148 | Play |
| 18 Feb 2026 |
10:50
EST |
Washington IAD
|
Knoxville TYS
|
12:06
EST |
E45X | N12167 | Play |
| 17 Feb 2026 |
09:05
EST |
Washington IAD
|
Knoxville TYS
|
11:51
EST |
E45X | N33182 | Play |
| 16 Feb 2026 |
09:05
EST |
Washington IAD
|
Knoxville TYS
|
10:14
EST |
E45X | N14153 | Play |
