United Airlines UA400 Flight Status Today

Domestic flight United Airlines UA400 takes off from Sacramento (SMF) United States to Chicago (ORD) United States. It's operated by United Airlines. The plane leaves Sacramento International Airport at 23:59 28 December 2025 America/Los_Angeles. The flight is expected to land at O'Hare International Airport at 06:08 29 December 2025 America/Chicago. The flight will last about 4 hours 9 minutes.

Current status of UA400 is Scheduled On time Estimated Depart in 2 hours, 4 minutes

UA400 - UAL400 United Airlines (UA)
SMF Sacramento United States
Flight SMF to ORD
ORD Chicago United States
Scheduled On time Estimated Depart in 2 hours, 4 minutes
Departure Sacramento International Airport
IATA: SMFICAO: KSMF
Scheduled 23:59 28 December 2025
Estimated 23:59 28 December 2025
A 17
Arrival O'Hare International Airport
IATA: ORDICAO: KORD
Scheduled 06:08 29 December 2025
Estimated 06:08 29 December 2025
1 B8
UA400 Detail
  • Type: Domestic Flight
  • Code Shares: AC 4832
  • Flight Duration: 4 hours 9 minutes
  • Flight Distance: 2867 kms / 1782 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 146
  • Freight capacity: 9.4 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737MAX 9 Passenger
  • Callsign: F-KCSV3
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Chicago
  • Current Time in Sacramento: Sunday 2025-12-28 21:55 PM
  • Current Time in Chicago: Sunday 2025-12-28 23:55 PM

United Airlines UA400 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA400
AIRPLANE Boeing 737MAX 9 Passenger
ON TIME 13
DELAYED 1
CANCELLED 0
ON TIME 28
DELAYED 2
CANCELLED 0
ON TIME 56
DELAYED 4
CANCELLED 0
ON TIME 76
DELAYED 7
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA400 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Sun 28 Dec
Scheduled On time
Sacramento (SMF) 2025-12-28T23:59
Chicago (ORD) 2025-12-29T06:08
Sat 27 Dec
Scheduled On time
Sacramento (SMF) 2025-12-27T23:59
Chicago (ORD) 2025-12-28T06:08
Fri 26 Dec
Scheduled On time
Sacramento (SMF) 2025-12-26T23:59
Chicago (ORD) 2025-12-27T06:08
Thu 25 Dec
Scheduled On time
Sacramento (SMF) 2025-12-25T23:59
Chicago (ORD) 2025-12-26T06:08
Wed 24 Dec
Arrived On time
Sacramento (SMF) 2025-12-24T08:53
Chicago (ORD) 2025-12-24T17:22
2025-12-24T08:44
2025-12-24T16:40
Fri 21 Nov
Arrived Delayed by 19m
Sacramento (SMF) 2025-11-21T08:25
Chicago (ORD) 2025-11-21T10:05
2025-11-21T08:24
2025-11-21T10:24
Mon 17 Nov
Arrived On time
Sacramento (SMF) 2025-11-17T08:25
Chicago (ORD) 2025-11-17T10:05
2025-11-17T08:23
2025-11-17T10:05
Sun 09 Nov
Arrived On time
Sacramento (SMF) 2025-11-09T08:25
Chicago (ORD) 2025-11-09T10:05
2025-11-09T08:25
2025-11-09T10:16
Thu 06 Nov
Arrived On time
Sacramento (SMF) 2025-11-06T08:25
Chicago (ORD) 2025-11-06T10:05
2025-11-06T08:17
2025-11-06T09:52
Wed 29 Oct
Departed On time
Sacramento (SMF) 2025-10-29T08:25
Chicago (ORD) 2025-10-29T10:05
2025-10-29T08:20

Flight routes similar to United Airlines UA400

Airline Flight no Departure Arrival
Air Canada AC4832
Air Canada 		28/12/2025
23:59 		4 hours 9 minutes
06:08
United Airlines UA-400
United Airlines 		28/12/2025
23:59 		4 hours 0 minutes
06:08
Air Canada AC5488
Air Canada 		28/12/2025
07:00 		4 hours 9 minutes
13:09
Air Canada AC4834
Air Canada 		28/12/2025
08:45 		4 hours 20 minutes
14:54
Lufthansa LH7833
Lufthansa 		28/12/2025
14:13 		4 hours 3 minutes
20:16
Lufthansa LH8563
Lufthansa 		28/12/2025
08:45 		3 hours 47 minutes
14:54
Lufthansa LH9347
Lufthansa 		28/12/2025
07:01 		4 hours 17 minutes
13:15
SAS SK8732
SAS 		28/12/2025
10:44 		4 hours 7 minutes
16:51

United Airlines Flight UA400 FAQs

What is the scheduled flight duration for United Airlines UA400 flight?

On average, nonstop flight takes 4 hour(s) 9 minutes, with the flight distance of 2867 km (1782 miles).

What is the current status of United Airlines UA400 flight?

The current status of flight United Airlines UA400 is Scheduled On time.

What type of aircraft is used for the United Airlines UA400 flight?

All United Airlines UA400 flights are operated using Boeing 737MAX 9 Passenger aircraft.

When does the flight United Airlines UA400 arrive?

Flight United Airlines UA400 arrives at 06:08.

Which terminal the flight United Airlines UA400 is arriving at?

Flight United Airlines UA400 arrives in O'Hare International Airport at Terminal 1.

How many United Airlines UA400 flights are operated a week?

7 flights per week. The Flight United Airlines UA400 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .