United Airlines UA4399 Flight Status Today

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 15:10 28 December 2025 America/Chicago. The flight is expected to land at O'Hare International Airport at 17:00 28 December 2025 America/Chicago. The flight will last about 1 hours 5 minutes.

Current status of UA4399 is Scheduled Estimated Depart in 9 hours, 51 minutes

UA4399 - UAL4399 United Airlines (UA)
STL Saint Louis United States
Flight STL to ORD
ORD Chicago United States
Scheduled Estimated Depart in 9 hours, 51 minutes
Departure Lambert-St. Louis International Airport
IATA: STLICAO: KSTL
Scheduled 15:10 28 December 2025
Estimated 15:10 28 December 2025
1 5
Arrival O'Hare International Airport
IATA: ORDICAO: KORD
Scheduled 17:00 28 December 2025
Estimated 17:00 28 December 2025
C C72
UA4399 Detail
  • Type: Domestic Flight
  • Flight Duration: 1 hours 5 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: Sunday 2025-12-28 05:19 AM
  • Current Time in Chicago: Sunday 2025-12-28 05:19 AM

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

Flight routes similar to United Airlines UA4399

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United Airlines UA4183
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08:05 		1 hours 35 minutes
09:40
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United Airlines UA4423
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06:30 		1 hours 35 minutes
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Lufthansa LH8923
Lufthansa 		28/12/2025
11:05 		1 hours 35 minutes
12:40
Air Canada AC4923
Air Canada 		28/12/2025
11:05 		1 hours 21 minutes
12:40
Republic Airlines YX3528
Republic Airlines 		28/12/2025
15:10 		1 hours 44 minutes
16:54
Air Canada AC4925
Air Canada 		28/12/2025
08:05 		1 hours 35 minutes
09:40
Air New Zealand NZ2890
Air New Zealand 		28/12/2025
08:05 		1 hours 21 minutes
09:40

United Airlines Flight UA4399 FAQs

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

On average, nonstop flight takes 1 hour(s) 5 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.

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 17:00.

Which terminal the flight United Airlines UA4399 is arriving at?

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

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 .