United Airlines UA1236 Flight Status Today

Domestic flight United Airlines UA1236 takes off from Saint Louis (STL) United States to Denver (DEN) United States. It's operated by United Airlines. The plane leaves Lambert-St. Louis International Airport at 16:30 28 February 2026 America/Chicago. The flight is expected to land at Denver International Airport at 18:04 28 February 2026 America/Denver. The flight will last about 2 hours 34 minutes.

Current status of UA1236 is Departed On time Estimated Arrival in 1 hour, 54 minutes

UA1236 - UAL1236 United Airlines (UA)
STL Saint Louis United States
Flight STL to DEN
DEN Denver United States
Departed On time Estimated Arrival in 1 hour, 54 minutes
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 16:30 28 February 2026
Actual 16:23 28 February 2026
1 A16
Arrival Denver International Airport
IATA: DENICAO: KDEN
Scheduled 18:04 28 February 2026
Estimated 17:55 28 February 2026
None A16
UA1236 Detail
  • Type: Domestic Flight
  • Code Shares: AC 4897
  • Flight Duration: 2 hours 34 minutes
  • Flight Distance: 1238 kms / 769 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 323
  • Freight capacity: 0 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737-800 (Scimitar Winglets) Passenger
  • Callsign: F-KSAF1
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/Denver
  • Current Time in Saint Louis: Saturday 2026-02-28 17:01 PM
  • Current Time in Denver: Saturday 2026-02-28 16:01 PM

United Airlines UA1236 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA1236
AIRPLANE Boeing 737-800 (Scimitar Winglets) Passenger
ON TIME 13
DELAYED 1
CANCELLED 0
ON TIME 27
DELAYED 3
CANCELLED 0
ON TIME 55
DELAYED 5
CANCELLED 0
ON TIME 78
DELAYED 6
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA1236 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Fri 20 Feb
Scheduled On time
Saint Louis (STL) 2026-02-20T18:00
Denver (DEN) 2026-02-20T19:34
Tue 17 Feb
Scheduled On time
Saint Louis (STL) 2026-02-17T16:30
Denver (DEN) 2026-02-17T18:05
Sun 15 Feb
Scheduled On time
Saint Louis (STL) 2026-02-15T18:00
Denver (DEN) 2026-02-15T19:35
Sun 08 Feb
Scheduled On time
Saint Louis (STL) 2026-02-08T16:06
Denver (DEN) 2026-02-08T19:30
Sat 07 Feb
Arrived On time
Saint Louis (STL) 2026-02-07T16:06
Denver (DEN) 2026-02-07T19:30
2026-02-07T15:51
2026-02-07T19:01
Thu 05 Feb
Arrived On time
Saint Louis (STL) 2026-02-05T20:55
Denver (DEN) 2026-02-05T22:59
2026-02-05T20:53
2026-02-05T22:36
Tue 03 Feb
Scheduled On time
Saint Louis (STL) 2026-02-03T16:06
Denver (DEN) 2026-02-03T19:30
Sun 25 Jan
Scheduled On time
Saint Louis (STL) 2026-01-25T16:06
Denver (DEN) 2026-01-25T19:30
Fri 23 Jan
Scheduled On time
Saint Louis (STL) 2026-01-23T16:06
Denver (DEN) 2026-01-23T19:30
Tue 20 Jan
Arrived On time
Saint Louis (STL) 2026-01-20T16:06
Denver (DEN) 2026-01-20T19:30
2026-01-20T16:04
2026-01-20T19:30

Flight routes similar to United Airlines UA1236

Airline Flight no Departure Arrival
Southwest Airlines WN3766
Southwest Airlines 		28/02/2026
14:35 		2 hours 20 minutes
16:00
Frontier Airlines F93301
Frontier Airlines 		28/02/2026
14:51 		2 hours 27 minutes
16:18
United Airlines UA1396
United Airlines 		28/02/2026
08:41 		2 hours 43 minutes
10:16
Air Canada AC4897
Air Canada 		28/02/2026
16:30 		2 hours 34 minutes
18:04
Southwest Airlines WN2143
Southwest Airlines 		28/02/2026
05:45 		2 hours 27 minutes
07:15
Air Canada AC4948
Air Canada 		28/02/2026
08:41 		2 hours 35 minutes
10:16
United Airlines UA1380
United Airlines 		28/02/2026
14:45 		2 hours 36 minutes
16:21
Air Canada AC4886
Air Canada 		28/02/2026
14:45 		2 hours 36 minutes
16:21

United Airlines Flight UA1236 FAQs

What is the scheduled flight duration for United Airlines UA1236 flight?

On average, nonstop flight takes 2 hour(s) 34 minutes, with the flight distance of 1238 km (769 miles).

What is the current status of United Airlines UA1236 flight?

The current status of flight United Airlines UA1236 is Departed On time.

What type of aircraft is used for the United Airlines UA1236 flight?

All United Airlines UA1236 flights are operated using Boeing 737-800 (Scimitar Winglets) Passenger aircraft.

How many United Airlines UA1236 flights are operated a week?

7 flights per week. The Flight United Airlines UA1236 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .