United Airlines UA423 Flight Status : Live Tracking & Updates

International flight United Airlines UA423 takes off from Athens (ATH) Greece to Chicago (ORD) United States. It's operated by United Airlines. The plane leaves Eleftherios Venizelos International Airport at 12:35 25 May 2026 Europe/Athens. The flight is expected to land at O'Hare International Airport at 16:15 25 May 2026 America/Chicago. The flight will last about 11 hours 4 minutes.

Current status of UA423 is Scheduled Estimated Depart in 4 hours, 35 minutes

UA423 - UAL423 United Airlines (UA)
ATH Athens Greece
Flight ATH to ORD
ORD Chicago United States
Scheduled Estimated Depart in 4 hours, 35 minutes
Departure Eleftherios Venizelos International Airport
IATA: ATHICAO: LGAV
Scheduled 12:35 25 May 2026
Estimated 12:45 25 May 2026
4 A03
Arrival O'Hare International Airport
IATA: ORDICAO: KORD
Scheduled 16:15 25 May 2026
Estimated 16:03 25 May 2026
5 INTL
UA423 Detail
  • Type: International Flight
  • Flight Duration: 11 hours 4 minutes
  • Flight Distance: 8792 kms / 5463 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 787-10
  • Callsign: F-KPIR1
  • Departure Timezone: Europe/Athens
  • Arrival Timezone: America/Chicago
  • Current Time in Athens: Monday 2026-05-25 08:10 AM
  • Current Time in Chicago: Monday 2026-05-25 00:10 AM

United Airlines UA423 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA423
AIRPLANE Boeing 787-10
ON TIME 13
DELAYED 1
CANCELLED 0
ON TIME 28
DELAYED 2
CANCELLED 0
ON TIME 57
DELAYED 3
CANCELLED 0
ON TIME 78
DELAYED 6
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA423 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Sat 23 May
Departed On time
Athens (ATH) 2026-05-23T12:35
Chicago (ORD) 2026-05-23T16:15
2026-05-23T12:33
Fri 22 May
Departed On time
Athens (ATH) 2026-05-22T12:35
Chicago (ORD) 2026-05-22T16:15
2026-05-22T12:26
Thu 21 May
Scheduled On time
Athens (ATH) 2026-05-21T12:35
Chicago (ORD) 2026-05-21T16:15
Wed 20 May
Departed On time
Athens (ATH) 2026-05-20T12:35
Chicago (ORD) 2026-05-20T16:05
2026-05-20T12:30
Tue 19 May
Scheduled Delayed by 1h 35m
Athens (ATH) 2026-05-19T12:35
Chicago (ORD) 2026-05-19T16:05
Mon 18 May
Scheduled Delayed by 35m
Athens (ATH) 2026-05-18T12:35
Chicago (ORD) 2026-05-18T16:05
Sat 16 May
Departed On time
Athens (ATH) 2026-05-16T12:35
Chicago (ORD) 2026-05-16T16:05
2026-05-16T12:35
Fri 15 May
Departed On time
Athens (ATH) 2026-05-15T12:35
Chicago (ORD) 2026-05-15T16:05
2026-05-15T12:28
Thu 14 May
Departed On time
Athens (ATH) 2026-05-14T12:35
Chicago (ORD) 2026-05-14T16:05
2026-05-14T12:33
Wed 13 May
Cancelled
Athens (ATH) 2026-05-13T12:35
Chicago (ORD) 2026-05-13T16:05

Flight routes similar to United Airlines UA423

Airline Flight no Departure Arrival
Alaska Airlines AS6961
Alaska Airlines 		25/05/2026
11:15 		11 hours 5 minutes
15:05
American Airlines AA161
American Airlines 		25/05/2026
11:15 		11 hours 5 minutes
15:05
Iberia IB4970
Iberia 		25/05/2026
11:15 		11 hours 5 minutes
15:05
British Airways BA1547
British Airways 		25/05/2026
11:15 		11 hours 5 minutes
15:05
Lufthansa LH8842
Lufthansa 		25/05/2026
12:35 		11 hours 4 minutes
16:15
Air Canada AC4568
Air Canada 		25/05/2026
12:35 		11 hours 4 minutes
16:15

United Airlines Flight UA423 FAQs

What is the scheduled flight duration for United Airlines UA423 flight?

On average, nonstop flight takes 11 hour(s) 4 minutes, with the flight distance of 8792 km (5463 miles).

What is the current status of United Airlines UA423 flight?

The current status of flight United Airlines UA423 is Scheduled.

What type of aircraft is used for the United Airlines UA423 flight?

All United Airlines UA423 flights are operated using Boeing 787-10 aircraft.

When does the flight United Airlines UA423 arrive?

Flight United Airlines UA423 arrives at 16:15.

Which terminal the flight United Airlines UA423 is arriving at?

Flight United Airlines UA423 arrives in O'Hare International Airport at Terminal 5.

How many United Airlines UA423 flights are operated a week?

7 flights per week. The Flight United Airlines UA423 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .