United Airlines

UAL4257 / UA4257

ICAO: UAL4257 IATA: UA4257

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL4257
Duration
1h 44m
Distance
421 mi, 677 km
Coreshare
AC 4741 /AV 2346 /CM 2237
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
Economy
50
United Airlines
UAL4257
Duration
1h 40m
Distance
421 mi, 677 km
Coreshare
AC 4741 /AV 2346 /CM 2237
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
Economy
50
United Airlines
UAL4257
Duration
1h 40m
Distance
421 mi, 677 km
Coreshare
AC 4741 /AV 2346 /CM 2237
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
Economy
50
United Airlines
UAL4257
Duration
1h 45m
Distance
421 mi, 677 km
Coreshare
AC 4741 /AV 2346 /CM 2237
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
Economy
50
United Airlines
UAL4257
Duration
1h 42m
Distance
421 mi, 677 km
Coreshare
AC 4741 /AV 2346 /CM 2237
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
Economy
50
United Airlines
UAL4257
Duration
1h 30m
Distance
421 mi, 677 km
Coreshare
AC 4741 /AV 2346 /CM 2237
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
Economy
50
United Airlines
UAL4257
Duration
1h 30m
Distance
421 mi, 677 km
Coreshare
AC 4741 /AV 2346 /CM 2237
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
Economy
50
En route. Scheduled to arrive in 10 minutes.
According to schedule
Live tracker
Svg Vector Icons : http://www.onlinewebfonts.com/icon
10m remaining
IAD
Dulles, US
left TERMINAL N/A
Dulles - IAD
SATURDAY 22-FEB-2025
08:15 GMT-0500
TYS
Knoxville, US
arrives TERMINAL N/A
Knoxville - TYS
SATURDAY 22-FEB-2025
09:59 GMT-0500

General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

420 miles, 675 km

Actual distance

421 miles, 677 km

0.24%
Flight time

1h 44m

Flights / Week

21 flights

Seats / Week

50 seats/flight

1050 seats/week

Upcoming scheduled flights in the coming 30 days

  • Date
    Time
    From
    To
    Aircraft
    Status
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Feb 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Feb 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Feb 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Feb 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Feb 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Feb 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Feb 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Mar 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Mar 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Mar 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Mar 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Mar 2025
    08:15
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Mar 2025
    08:20
    Dulles(IAD)
    Knoxville(TYS)
    Embraer RJ135 / RJ140 / RJ145
    UA4257

UAL4257 information

A domestic route in USA departing from Dulles (IAD) and arriving at Knoxville (TYS).

The timezones of the departure and arrival airports are identical, UTC -5.

The flight distance is 421 miles, or 677 km.

For direct flights, the flight time is about 1:44.

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