United Airlines UA4251 Flight Status Today

Domestic flight United Airlines UA4251 takes off from Knoxville (TYS) United States to Houston (IAH) United States. It's operated by United Airlines. The plane leaves McGhee Tyson Airport at 09:00 21 March 2026 America/New_York. The flight is expected to land at George Bush Intercontinental Airport at 10:45 21 March 2026 America/Chicago. The flight will last about 2 hours 19 minutes.

Current status of UA4251 is Arrived On time

UA4251 - UAL4251 United Airlines (UA)
TYS Knoxville United States
Flight TYS to IAH
IAH Houston United States
Arrived On time
Departure McGhee Tyson Airport
IATA: TYSICAO: KTYS
Scheduled 09:00 21 March 2026
Actual 08:58 21 March 2026
None 9
Arrival George Bush Intercontinental Airport
IATA: IAHICAO: KIAH
Scheduled 10:45 21 March 2026
Actual 10:17 21 March 2026
B 20
UA4251 Detail
  • Type: Domestic Flight
  • Code Shares: NZ 6668
  • Flight Duration: 2 hours 19 minutes
  • Flight Distance: 1242 kms / 771 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 50
  • Freight capacity: 1 tons
  • Passenger classes: Economy, Shuttle, Premium Economy
More Detail
  • Aircraft: Embraer EMB-145XR
  • Callsign: F-KMRB1
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/Chicago
  • Current Time in Knoxville: Saturday 2026-03-21 14:51 PM
  • Current Time in Houston: Saturday 2026-03-21 13:51 PM

United Airlines UA4251 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA4251
AIRPLANE Embraer EMB-145XR
ON TIME 10
DELAYED 4
CANCELLED 0
ON TIME 25
DELAYED 4
CANCELLED 1
ON TIME 55
DELAYED 4
CANCELLED 1
ON TIME 76
DELAYED 7
CANCELLED 1
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA4251 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Wed 11 Mar
Arrived On time
Knoxville (TYS) 2026-03-11T09:00
Houston (IAH) 2026-03-11T10:45
2026-03-11T08:54
2026-03-11T10:34
Sun 01 Mar
Scheduled On time
Knoxville (TYS) 2026-03-01T17:38
Houston (IAH) 2026-03-01T19:15
Thu 26 Feb
Scheduled On time
Knoxville (TYS) 2026-02-26T17:38
Houston (IAH) 2026-02-26T19:15
Mon 23 Feb
Cancelled
Knoxville (TYS) 2026-02-23T17:38
Houston (IAH) 2026-02-23T19:15
Sat 21 Feb
Scheduled On time
Knoxville (TYS) 2026-02-21T17:38
Houston (IAH) 2026-02-21T19:15
Thu 19 Feb
Arrived On time
Knoxville (TYS) 2026-02-19T17:38
Houston (IAH) 2026-02-19T19:15
2026-02-19T17:48
2026-02-19T19:06
Thu 12 Feb
Scheduled On time
Knoxville (TYS) 2026-02-12T17:38
Houston (IAH) 2026-02-12T19:15
Mon 09 Feb
Scheduled On time
Knoxville (TYS) 2026-02-09T17:39
Houston (IAH) 2026-02-09T19:16
Sun 08 Feb
Arrived On time
Knoxville (TYS) 2026-02-08T17:39
Houston (IAH) 2026-02-08T19:16
2026-02-08T17:39
2026-02-08T19:16
Fri 06 Feb
Scheduled On time
Knoxville (TYS) 2026-02-06T17:39
Houston (IAH) 2026-02-06T19:16

Flight routes similar to United Airlines UA4251

Airline Flight no Departure Arrival
Air New Zealand NZ6698
Air New Zealand 		21/03/2026
11:40 		2 hours 45 minutes
13:25
United Airlines UA4854
United Airlines 		21/03/2026
16:55 		2 hours 45 minutes
18:40
Air New Zealand NZ6668
Air New Zealand 		21/03/2026
09:00 		2 hours 39 minutes
10:45
United Airlines UA4302
United Airlines 		21/03/2026
11:40 		2 hours 49 minutes
13:25
Air New Zealand NZ6666
Air New Zealand 		21/03/2026
07:05 		2 hours 33 minutes
08:50
United Airlines UA4913
United Airlines 		21/03/2026
07:05 		2 hours 33 minutes
08:50
United Airlines UA4841
United Airlines 		21/03/2026
09:10 		2 hours 41 minutes
10:55

United Airlines Flight UA4251 FAQs

What is the scheduled flight duration for United Airlines UA4251 flight?

On average, nonstop flight takes 2 hour(s) 19 minutes, with the flight distance of 1242 km (771 miles).

What is the current status of United Airlines UA4251 flight?

The current status of flight United Airlines UA4251 is Arrived On time.

What type of aircraft is used for the United Airlines UA4251 flight?

All United Airlines UA4251 flights are operated using Embraer EMB-145XR aircraft.

When does the flight United Airlines UA4251 arrive?

Flight United Airlines UA4251 arrives at 10:45.

Which terminal the flight United Airlines UA4251 is arriving at?

Flight United Airlines UA4251 arrives in George Bush Intercontinental Airport at Terminal B.

How many United Airlines UA4251 flights are operated a week?

7 flights per week. The Flight United Airlines UA4251 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .