United Airlines UA4399 Flight Status

Current status of UA4399 is Scheduled On time Estimated Depart in 7 hours, 36 minutes

UA4399 - UAL4399 United Airlines (UA)
STL Saint Louis United States
Flight STL to ORD
ORD Chicago United States
Scheduled On time Estimated Depart in 7 hours, 36 minutes
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 10:00 08 December 2025
Estimated 10:00 08 December 2025
1 A18
Arrival O'Hare International Airport
IATA: ORDICAO: KORD
Scheduled 11:29 08 December 2025
Estimated 11:29 08 December 2025
2 F25
UA4399 Detail
  • Type: Domestic Flight
  • Code Shares: AC 4935, NZ 2900
  • Flight Duration: 1 hours 29 minutes
  • Flight Distance: 415 kms / 258 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: Canadair (Bombardier) Regional Jet 700 and Challenger 870
  • Callsign: T-F5M
  • Departure Timezone: America/Chicago
  • Arrival Timezone: America/Chicago
  • Current Time in Saint Louis: Monday 2025-12-08 02:24 AM
  • Current Time in Chicago: Monday 2025-12-08 02:24 AM

Domestic flight United Airlines UA4399 takes off from Saint Louis (STL) United States to Chicago (ORD) United States. It's operated by United Airlines. The plane leaves Lambert-St. Louis International Airport at 10:00 08 December 2025 America/Chicago. The flight is expected to land at O'Hare International Airport at 11:29 08 December 2025 America/Chicago. The flight will last about 1 hours 29 minutes.

United Airlines UA4399 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA4399
AIRPLANE Canadair (Bombardier) Regional Jet 700 and Challenger 870
ON TIME 12
DELAYED 1
CANCELLED 1
ON TIME 23
DELAYED 6
CANCELLED 1
ON TIME 50
DELAYED 9
CANCELLED 1
ON TIME 68
DELAYED 15
CANCELLED 1
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA4399 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Mon 17 Nov
Arrived On time
Saint Louis (STL) 2025-11-17T10:00
Chicago (ORD) 2025-11-17T11:29
2025-11-17T09:50
2025-11-17T11:16
Fri 14 Nov
Arrived On time
Saint Louis (STL) 2025-11-14T10:00
Chicago (ORD) 2025-11-14T11:29
2025-11-14T09:46
2025-11-14T11:14
Wed 12 Nov
Arrived Delayed by 39m
Saint Louis (STL) 2025-11-12T10:00
Chicago (ORD) 2025-11-12T11:29
2025-11-12T10:57
2025-11-12T12:08
Wed 05 Nov
Arrived On time
Saint Louis (STL) 2025-11-05T10:00
Chicago (ORD) 2025-11-05T11:29
2025-11-05T09:55
2025-11-05T11:21
Mon 27 Oct
Scheduled Delayed by 2h
Saint Louis (STL) 2025-10-27T10:00
Chicago (ORD) 2025-10-27T11:29
Sat 25 Oct
Departed Delayed by 28m
Saint Louis (STL) 2025-10-25T10:54
Chicago (ORD) 2025-10-25T12:00
2025-10-25T11:24
Mon 13 Oct
Scheduled On time
Saint Louis (STL) 2025-10-13T10:54
Chicago (ORD) 2025-10-13T12:00
Sat 04 Oct
Arrived On time
Saint Louis (STL) 2025-10-04T10:54
Chicago (ORD) 2025-10-04T12:00
2025-10-04T10:48
2025-10-04T11:30
Mon 29 Sep
Arrived On time
Saint Louis (STL) 2025-09-29T10:54
Chicago (ORD) 2025-09-29T12:00
2025-09-29T10:55
2025-09-29T11:53
Sun 28 Sep
Arrived On time
Saint Louis (STL) 2025-09-28T10:54
Chicago (ORD) 2025-09-28T12:00
2025-09-28T10:52
2025-09-28T11:56

Similar flight route from Saint Louis (STL) to Chicago (ORD)

Airline Flight no Departure Arrival
Japan Airlines JL7427
Japan Airlines 		08/12/2025
06:00 		1 hours 25 minutes
07:30
Emirates EK6401
Emirates 		08/12/2025
15:14 		1 hours 30 minutes
16:44
SkyWest Airlines OO6308
SkyWest Airlines 		08/12/2025
08:39 		1 hours 38 minutes
10:17
Air New Zealand NZ2900
Air New Zealand 		08/12/2025
10:00 		1 hours 17 minutes
11:29
Air New Zealand NZ2898
Air New Zealand 		08/12/2025
17:24 		1 hours 11 minutes
18:47
GoJet Airlines G74395
GoJet Airlines 		08/12/2025
11:05 		1 hours 21 minutes
12:34
Republic Airlines YX4595
Republic Airlines 		08/12/2025
16:46 		1 hours 35 minutes
18:21
Envoy Air MQ3461
Envoy Air 		08/12/2025
15:43 		1 hours 25 minutes
17:08

Frequently asked questions, answered

What is the scheduled flight duration for United Airlines UA4399 flight?

On average, nonstop flight takes 1 hour(s) 29 minutes, with the flight distance of 415 km (258 miles).

What is the current status of United Airlines UA4399 flight?

The current status of flight United Airlines UA4399 is Scheduled On time.

What type of aircraft is used for the United Airlines UA4399 flight?

All United Airlines UA4399 flights are operated using Canadair (Bombardier) Regional Jet 700 and Challenger 870 aircraft.

When does the flight United Airlines UA4399 arrive?

Flight United Airlines UA4399 arrives at 11:29.

Which terminal the flight United Airlines UA4399 is arriving at?

Flight United Airlines UA4399 arrives in O'Hare International Airport at Terminal 2.

How many United Airlines UA4399 flights are operated a week?

7 flights per week. The Flight United Airlines UA4399 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .