Flight UA4257 Status
United Airlines
UA
UAL
Last updated: Aug 27, 2025 18:47
Live Data: Real-time flight information updated at 2025-08-27
Departure
IAD
Washington Dulles International Airport Washington
08:45
Terminal:
Gate:
103 min
Arrival
TYS
Knoxville McGhee Tyson Airport Knoxville
10:28
Terminal:
Gate:
UA4257 Flight Information
- Flight Number: UA4257
- Frequency: MON-TUE-WED-THU-FRI-SAT-SUN
- Status: Scheduled
Flight History (Last 30 Flights)
Historical flight data showing past 30 operations
| Date | Route | Status | Schedule | Estimates/Actual | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2025-08-25 |
IAD
TYS
|
Scheduled |
2025-08-25 08:45
2025-08-25 10:28
|
-
|
103min | - |
| 2025-08-24 |
IAD
TYS
|
Scheduled |
2025-08-24 08:45
2025-08-24 10:28
|
-
|
103min | - |
| 2025-08-23 |
IAD
TYS
|
Scheduled |
2025-08-23 08:45
2025-08-23 10:28
|
-
|
103min | - |
| 2025-08-22 |
IAD
TYS
|
Departure Estimated dep 08:45 |
2025-08-22 08:45
2025-08-22 10:28
|
2025-08-22 08:45
|
103min | - |
| 2025-08-18 |
IAD
TYS
|
Arrived Early |
2025-08-18 08:45
2025-08-18 10:27
|
2025-08-18 09:02
2025-08-18 10:11
|
70min | Embraer ERJ-145XR |
| 2025-08-17 |
IAD
TYS
|
Arrived Delayed by 19 minutes |
2025-08-17 08:45
2025-08-17 10:27
|
2025-08-17 09:44
2025-08-17 10:46
|
62min | Embraer ERJ-145XR |
| 2025-08-16 |
IAD
TYS
|
Arrived Delayed by 159 minutes |
2025-08-16 08:45
2025-08-16 10:27
|
2025-08-16 12:06
2025-08-16 13:06
|
60min | Embraer ERJ-145XR |
| 2025-08-15 |
IAD
TYS
|
Arrived On time |
2025-08-15 08:45
2025-08-15 10:27
|
2025-08-15 09:08
2025-08-15 10:17
|
68min | Embraer ERJ-145XR |
| 2025-08-14 |
IAD
TYS
|
Arrived Early |
2025-08-14 08:45
2025-08-14 10:27
|
2025-08-14 09:06
2025-08-14 10:10
|
64min | Embraer ERJ-145XR |
| 2025-08-13 |
IAD
TYS
|
Arrived Early |
2025-08-13 08:45
2025-08-13 10:27
|
2025-08-13 09:03
2025-08-13 10:08
|
65min | Embraer ERJ-145XR |
| 2025-08-12 |
IAD
TYS
|
Arrived Delayed by 17 minutes |
2025-08-12 08:45
2025-08-12 10:27
|
2025-08-12 09:22
2025-08-12 10:44
|
82min | Embraer ERJ-145XR |
| 2025-08-11 |
IAD
TYS
|
Arrived On time |
2025-08-11 08:45
2025-08-11 10:27
|
2025-08-11 09:13
2025-08-11 10:19
|
66min | Embraer ERJ-145XR |
| 2025-08-10 |
IAD
TYS
|
Arrived Early |
2025-08-10 08:45
2025-08-10 10:27
|
2025-08-10 09:01
2025-08-10 10:09
|
67min | Embraer ERJ-145XR |
| 2025-08-09 |
IAD
TYS
|
Arrived Early |
2025-08-09 08:45
2025-08-09 10:27
|
2025-08-09 09:01
2025-08-09 10:02
|
61min | Embraer ERJ-145XR |
| 2025-08-08 |
IAD
TYS
|
Arrived On time |
2025-08-08 08:45
2025-08-08 10:27
|
2025-08-08 09:23
2025-08-08 10:25
|
63min | Embraer ERJ-145XR |
| 2025-05-25 |
IAD
TYS
|
Scheduled |
2025-05-25 08:45
2025-05-25 10:27
|
-
|
102min | - |
| 2025-05-24 |
IAD
TYS
|
Scheduled |
2025-05-24 08:45
2025-05-24 10:27
|
-
|
102min | - |
| 2025-05-23 |
IAD
TYS
|
Scheduled |
2025-05-23 08:45
2025-05-23 10:27
|
-
|
102min | - |
| 2025-05-22 |
IAD
TYS
|
Scheduled |
2025-05-22 08:45
2025-05-22 10:27
|
-
|
102min | - |
| 2025-05-21 |
IAD
TYS
|
Scheduled |
2025-05-21 08:20
2025-05-21 10:05
|
-
|
105min | - |
| 2025-05-20 |
IAD
TYS
|
Scheduled |
2025-05-20 08:20
2025-05-20 10:05
|
-
|
105min | - |
| 2025-05-19 |
IAD
TYS
|
Scheduled |
2025-05-19 08:20
2025-05-19 10:05
|
-
|
105min | - |
| 2025-05-18 |
IAD
TYS
|
Estimated |
2025-05-18 08:20
2025-05-18 10:05
|
2025-05-18 08:20
|
105min | - |
| 2025-05-17 |
IAD
TYS
|
Estimated |
2025-05-17 08:20
2025-05-17 10:05
|
2025-05-17 08:20
|
105min | Embraer ERJ-145XR |
| 2025-05-16 |
IAD
TYS
|
Landed |
2025-05-16 08:20
2025-05-16 10:05
|
2025-05-16 09:00
2025-05-16 10:05
|
65min | Embraer ERJ-145XR |
| 2025-05-15 |
IAD
TYS
|
Landed |
2025-05-15 08:20
2025-05-15 10:05
|
2025-05-15 08:38
2025-05-15 09:43
|
66min | Embraer ERJ-145XR |
| 2025-05-14 |
IAD
TYS
|
Landed |
2025-05-14 08:20
2025-05-14 10:05
|
2025-05-14 09:09
2025-05-14 10:14
|
65min | Embraer ERJ-145XR |
| 2025-05-13 |
IAD
TYS
|
Landed |
2025-05-13 08:20
2025-05-13 10:05
|
2025-05-13 08:29
2025-05-13 09:38
|
70min | Embraer ERJ-145XR |
| 2025-05-12 |
IAD
TYS
|
Landed |
2025-05-12 08:20
2025-05-12 10:05
|
2025-05-12 08:30
2025-05-12 09:42
|
71min | Embraer ERJ-145XR |
| 2025-05-11 |
IAD
TYS
|
Landed |
2025-05-11 08:20
2025-05-11 10:05
|
2025-05-11 08:30
2025-05-11 09:48
|
77min | Embraer ERJ-145XR |
Live Status Details
Data from Amadeus API for 2025-08-27
Live Updates
This flight is monitored in real-time. Status updates every 5 minutes.