United Airlines UA399 Flight Status Today

Domestic flight United Airlines UA399 takes off from Seattle (SEA) United States to Denver (DEN) United States. It's operated by United Airlines. The plane leaves Seattle International Airport at 14:55 01 March 2026 America/Los_Angeles. The flight is expected to land at Denver International Airport at 18:38 01 March 2026 America/Denver. The flight will last about 2 hours 24 minutes.

Current status of UA399 is Arrived On time

UA399 - UAL399 United Airlines (UA)
SEA Seattle United States
Flight SEA to DEN
DEN Denver United States
Arrived On time
Departure Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 14:55 01 March 2026
Actual 14:57 01 March 2026
None B15
Arrival Denver International Airport
IATA: DENICAO: KDEN
Scheduled 18:38 01 March 2026
Actual 18:21 01 March 2026
None B15
UA399 Detail
  • Type: Domestic Flight
  • Code Shares: CM 1286, NH 7376
  • Flight Duration: 2 hours 24 minutes
  • Flight Distance: 1648 kms / 1024 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Thursday
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 737-900 Passenger (Scimitar Winglets)
  • Callsign: F-KSTL2
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: America/Denver
  • Current Time in Seattle: Sunday 2026-03-01 18:34 PM
  • Current Time in Denver: Sunday 2026-03-01 19:34 PM

Flight routes similar to United Airlines UA399

Airline Flight no Departure Arrival
United Airlines UA1218
United Airlines 		01/03/2026
19:10 		2 hours 39 minutes
22:49
Delta DL2851
Delta 		01/03/2026
19:40 		2 hours 45 minutes
23:25
Korean Air KE3495
Korean Air 		01/03/2026
19:40 		2 hours 45 minutes
23:25
WestJet WS7643
WestJet 		01/03/2026
13:40 		2 hours 47 minutes
17:27
Delta DL4026
Delta 		01/03/2026
13:40 		2 hours 47 minutes
17:27
ANA NH7376
ANA 		01/03/2026
14:55 		2 hours 43 minutes
18:38
SkyWest Airlines OO3685
SkyWest Airlines 		01/03/2026
08:15 		0 minutes
12:15
Alaska Airlines AS682
Alaska Airlines 		01/03/2026
08:30 		2 hours 24 minutes
12:14

United Airlines Flight UA399 FAQs

What is the scheduled flight duration for United Airlines UA399 flight?

On average, nonstop flight takes 2 hour(s) 24 minutes, with the flight distance of 1648 km (1024 miles).

What is the current status of United Airlines UA399 flight?

The current status of flight United Airlines UA399 is Arrived On time.

What type of aircraft is used for the United Airlines UA399 flight?

All United Airlines UA399 flights are operated using Boeing 737-900 Passenger (Scimitar Winglets) aircraft.

How many United Airlines UA399 flights are operated a week?

1 flights per week. The Flight United Airlines UA399 is operated on Thursday.