United Airlines UA4573 Flight Status Today

Domestic flight United Airlines UA4573 takes off from Buffalo (BUF) United States to Chicago (ORD) United States. It's operated by United Airlines. The plane leaves Buffalo Niagara International Airport at 17:23 08 February 2026 America/New_York. The flight is expected to land at O'Hare International Airport at 18:30 08 February 2026 America/Chicago. The flight will last about 2 hours 7 minutes.

Current status of UA4573 is Departed On time Estimated Arrival in 1 hour, 47 minutes

UA4573 - UAL4573 United Airlines (UA)
BUF Buffalo United States
Flight BUF to ORD
ORD Chicago United States
Departed On time Estimated Arrival in 1 hour, 47 minutes
Departure Buffalo Niagara International Airport
IATA: BUFICAO: KBUF
Scheduled 17:23 08 February 2026
Actual 17:15 08 February 2026
None 12
Arrival O'Hare International Airport
IATA: ORDICAO: KORD
Scheduled 18:30 08 February 2026
Estimated 18:43 08 February 2026
2 F10
UA4573 Detail
  • Type: Domestic Flight
  • Code Shares: AC 5352, NZ 2114
  • Flight Duration: 2 hours 7 minutes
  • Flight Distance: 762 kms / 473 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Saturday
Passenger Services
  • Service type: Normal passenger
  • Seats: 70
  • Freight capacity: 1.9 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Canadair (Bombardier) Regional Jet 700 and Challenger 870
  • Callsign: GJS4573
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/Chicago
  • Current Time in Buffalo: Sunday 2026-02-08 17:56 PM
  • Current Time in Chicago: Sunday 2026-02-08 16:56 PM

Flight routes similar to United Airlines UA4573

Airline Flight no Departure Arrival
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08:30 		2 hours 17 minutes
09:37
American Airlines AA4595
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Alaska Airlines AS6809
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17:16 		2 hours 24 minutes
18:40
ANA NH7401
ANA 		08/02/2026
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ANA NH7075
ANA 		08/02/2026
13:59 		2 hours 5 minutes
15:04
Republic Airlines YX4595
Republic Airlines 		08/02/2026
07:30 		2 hours 47 minutes
08:53
Alaska Airlines AS6540
Alaska Airlines 		08/02/2026
07:30 		2 hours 23 minutes
08:53
Envoy Air MQ3703
Envoy Air 		08/02/2026
11:27 		2 hours 15 minutes
12:42

United Airlines Flight UA4573 FAQs

What is the scheduled flight duration for United Airlines UA4573 flight?

On average, nonstop flight takes 2 hour(s) 7 minutes, with the flight distance of 762 km (473 miles).

What is the current status of United Airlines UA4573 flight?

The current status of flight United Airlines UA4573 is Departed On time.

What type of aircraft is used for the United Airlines UA4573 flight?

All United Airlines UA4573 flights are operated using Canadair (Bombardier) Regional Jet 700 and Challenger 870 aircraft.

When does the flight United Airlines UA4573 arrive?

Flight United Airlines UA4573 arrives at 18:30.

Which terminal the flight United Airlines UA4573 is arriving at?

Flight United Airlines UA4573 arrives in O'Hare International Airport at Terminal 2.

How many United Airlines UA4573 flights are operated a week?

1 flights per week. The Flight United Airlines UA4573 is operated on Saturday.