Popular Airports
Popular Airlines
More about flight.info

United Airlines

UAL1256 / UA1256

ICAO: UAL1256 IATA: UA1256

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL1256
Duration
3h 24m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
3h 20m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
2h 39m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
166
First class
16
Economy
150
United Airlines
UAL1256
Duration
2h 39m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
166
First class
16
Economy
150
United Airlines
UAL1256
Duration
3h 18m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
United Airlines
UAL1256
Duration
2h 39m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
179
First class
20
Economy
159
United Airlines
UAL1256
Duration
3h 20m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
2h 39m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
166
First class
16
Economy
150
United Airlines
UAL1256
Duration
2h 39m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
United Airlines
UAL1256
Duration
3h 20m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
3h 18m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
2h 41m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
3h 27m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
United Airlines
UAL1256
Duration
2h 42m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
3h 27m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
United Airlines
UAL1256
Duration
2h 42m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
3h 18m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
United Airlines
UAL1256
Duration
2h 41m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
126
First class
12
Economy
114
United Airlines
UAL1256
Duration
4h 20m
Distance
1552 mi, 2497 km
Coreshare
AC 3873
Same day flight
Yes
Terminal
Departure: TB
Meals
Meal (none specific)
Seats
188
First class
14
Business
5
Premium economy
3
Economy
166
United Airlines
UAL1256
Duration
2h 48m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
150
First class
12
Economy
138
United Airlines
UAL1256
Duration
2h 41m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
126
First class
12
Economy
114
United Airlines
UAL1256
Duration
3h 18m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
United Airlines
UAL1256
Duration
2h 41m
Distance
951 mi, 1530 km
Coreshare
AC 4251
Same day flight
Yes
Terminal
Arrival: TA
Meals
Meal (none specific)
Seats
126
First class
12
Economy
114
United Airlines
UAL1256
Duration
3h 18m
Distance
1166 mi, 1876 km
Coreshare
Same day flight
Yes
Terminal
Meals
Meal (none specific)
Seats
167
First class
8
Economy
159
Loading flight status...
Ad

General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

946 miles, 1522 km

Actual distance

951 miles, 1530 km

0.53%
Flight time

2h 39m

Flights / Week

14 flights

Seats / Week

166 seats/flight

2324 seats/week

Upcoming scheduled flights in the coming 30 days

Ad
  • Date
    Time
    From
    To
    Aircraft
    Status
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    25 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    31 Jul 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    03 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Aug 2026
    08:48
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    11:29
    Denver(DEN)
    San Jose(SJC)
    Boeing 737MAX 8 Passenger
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Aug 2026
    09:00
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    11:29
    Denver(DEN)
    San Jose(SJC)
    Boeing 737MAX 8 Passenger
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Aug 2026
    09:00
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    11:29
    Denver(DEN)
    San Jose(SJC)
    Boeing 737MAX 8 Passenger
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Aug 2026
    09:00
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    11:29
    Denver(DEN)
    San Jose(SJC)
    Boeing 737MAX 8 Passenger
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Aug 2026
    09:00
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    11:29
    Denver(DEN)
    San Jose(SJC)
    Boeing 737MAX 8 Passenger
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Aug 2026
    09:00
    Knoxville(TYS)
    Denver(DEN)
    Airbus A320
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    11:29
    Denver(DEN)
    San Jose(SJC)
    Boeing 737MAX 8 Passenger
    UA1256
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Aug 2026
    09:00
    Knoxville(TYS)
    Denver(DEN)
    Boeing 737-800 Passenger
    UA1256

UAL1256 information

A domestic route in USA departing from Denver (DEN) and arriving at San Jose (SJC).

The timezone of the departure airport is UTC -6, and the timezone of the arrival airport is UTC -7.

The current time at the point of departure is 11:41am, and 10:41am at the point of arrival. There is a -1 hour time difference between the airports.

The flight distance is 951 miles, or 1530 km.

For direct flights, the flight time is about 2:39.

Other flights between Knoxville and Denver with United
08:09
UA 5991
→
16:50
UA 250
→
16:53
UA 1483
→
16:56
UA 720
→
17:01
UA 696
→
Ad