United Airlines UA423 Flight status
According to Trip.com real-time data, the UA423 flight operated by United Airlines on Oct 22, 2026, scheduled to fly from Athens (ATH) to Chicago (ORD), has a change in flight status: the original departure time has been delayed, and the new departure time is 12:55 , with a new arrival time of 15:40 (local time in Chicago, UTC-5) . Trip.com will continue to provide the latest updates on this flight.
Wed, Oct 21
Thu, Oct 22
Fri, Oct 23
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Arrived
The flight has arrived 54m late
11h 25m
Check-in Counter
144-150
Boarding Gate
A5
Arrival Gate
M17
Baggage
M5
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Delayed
Your flight is about 25m late
11h 25m
Check-in Counter
144-147
Boarding Gate
A3
Arrival Gate
INTL
Baggage
--
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United Airlines From €1,557
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Scheduled
Your flight will depart on time.
11h 25m
Check-in Counter
144-150
Boarding Gate
--
Arrival Gate
INTL
Baggage
--
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Need a flight from Athens to Chicago?
United Airlines From €1,557
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Athens to Chicago or track other flights with our flight status tracker.
Track the Previous Flight Status: Delayed (may impact connections)
UA422
|
Chicago (CHI)
Athens (ATH)
Athens (ATH)
Scheduled: 10:30
|
44m late
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UA423 Aircraft Details
According to Trip.com real-time data, the UA423 flight from Athens to Chicago on 10/22/2026 is operated using the aircraft model Boeing 787-10. This aircraft has been in service for 7y, 7m. The aircraft has 318 seats.
Boeing 787-10
Punctuality (Departure)
47
%
Punctuality (Arrival)
87
%
Late on average
5 minutes
Age
7y, 7m
Seats
318
Flight Distance
--
Economy
Business
First
Premium Economy
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
79 cm
Legroom
44 cm
Seat width better than on 50% of flights
100°
Reclining Angle
3-3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
97 cm
Legroom
48 cm
Seat width
140°
Reclining Angle
1-2-1
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
198 cm
Legroom
52 cm
Seat width
180°
Reclining Angle
Fully reclinable
--
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
86 cm
Legroom
44 cm
Seat width better than on 50% of flights
120°
Reclining Angle
2-3-2
Seat layout example
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Flight History for UA423
Trip.com historical records show that the last UA423 flight departed on Wed, Oct 21 from ATH at approximately 14:41. This flight is expected to arrrive in ORD at 16:54.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Oct 17 | Athens (ATH) | Chicago (ORD) | B78X | 12:53 | 15:07 | Arrived |
| Sun, Oct 18 | Athens (ATH) | Chicago (ORD) | B78X | 13:00 | 15:48 | Arrived |
| Mon, Oct 19 | Athens (ATH) | Chicago (ORD) | B78X | 13:27 | 16:28 | Arrived |
| Tue, Oct 20 | Athens (ATH) | Chicago (ORD) | B78X | 15:28 | 17:49 | Arrived |
| Wed, Oct 21 | Athens (ATH) | Chicago (ORD) | B78X | 14:41 | 16:54 | Arrived |
| Thu, Oct 22 | Athens (ATH) | Chicago (ORD) | B78X | 12:55 | 15:40 | Delayed |
| Fri, Oct 23 | Athens (ATH) | Chicago (ORD) | B78X | 12:55 | 16:20 | Scheduled |
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UA423 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA423 is 47% (Late on average 44 minutes), and the on-time arrival rate is 87% (Late on average 5 minutes).
On-Time Departures
Punctuality
47
%
Late on average
44 minutes
Early
0
%
On time
47
%
30 mins late
33
%
60 mins late
10
%
90 mins late
10
%
Cancelled
0
%
On-Time Arrivals
Punctuality
87
%
Late on average
5 minutes
Early
60
%
On time
27
%
30 mins late
7
%
60 mins late
3
%
90 mins late
3
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua423?
Flight ua423 is delayed by about 25 minutes (status: Delayed). Latest estimated departure/arrival: 12:55 / 15:40 (updated Oct 22, 2026).Is flight ua423 on time today?
Flight ua423 is delayed by about 25 minutes (status: Delayed). The latest estimated departure/arrival times are 12:55 / 15:40. Watch for gate changes.Has flight ua423 departed yet? What is the departure time?
Flight ua423 is scheduled to depart at 12:30. The latest actual or estimated departure time is 12:55, and the current status is Delayed (updated Oct 22, 2026).When is flight ua423 scheduled to arrive?
Flight ua423 is scheduled to arrive at 15:55. The latest estimated or actual arrival time is 15:40. Status is Delayed as of Oct 22, 2026.What route does flight ua423 fly?
Flight ua423 is operated by United Airlines from Athens (ATH) to Chicago (ORD). Typical flight time is about 11 hours 25 minutes; operating days may include Thursday.How can I check real-time status for flight ua423?
Track flight ua423 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua423 is delayed or canceled, what should I do?
If ua423 is delayed or canceled, first confirm the latest status here (Delayed, updated Oct 22, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua423 departed from Athens?
Flight ua423 has not left Athens (ATH) yet and is delayed by about 25 minutes. Latest estimated departure: 12:55.What is the seat configuration for flight ua423?
Flight ua423 usually flies a Boeing 787-10 with seat layout 3-3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Chicago Weather & Current Time
Mostly clear
|
10°C - 22°C
Weather forecast for your arrival day
-8 hour time difference
Time on arrival: Athens 23:40
|
Chicago 15:40
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