United Airlines UA423 Flight Status
According to Trip.com real-time data, the UA423 flight operated by United Airlines on Oct 23, 2026, flying from Athens (ATH) to Chicago (ORD), departed at 1:14 PM and is expected to arrive at 3:59 PM (local time in Chicago, UTC-5) and land at O'Hare Intl. Airport (ORD).
Thu, Oct 22
Fri, Oct 23
Sat, Oct 24
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Arrived
The flight has arrived 4m late
11h 25m
Check-in Counter
144-150
Boarding Gate
A3
Arrival Gate
M18
Baggage
M8
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En route
Your flight has departed Athens and is expected to arrive in Chicago at 3:59 PM.
11h 25m
Check-in Counter
144-150
Boarding Gate
A3
Arrival Gate
INTL
Baggage
--
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United Airlines From €1,508
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Scheduled
Your flight will depart on time.
11h 25m
Check-in Counter
144-150
Boarding Gate
A
Arrival Gate
INTL
Baggage
--
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Need a flight from Athens to Chicago?
United Airlines From €1,508
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: Landed at Athens
UA422
|
Chicago (CHI)
Athens (ATH)
Athens (ATH)
Scheduled: 11:00 AM
|
40m early
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UA423 Aircraft Details
According to Trip.com real-time data, the UA423 flight flying from Athens to Chicago on 10/23/2026 is operated by the aircraft model Boeing 787-10. This aircraft has been in service for 7y, 6m. The aircraft is equipped with 318 seats.
Boeing 787-10
Punctuality (Departure)
40
%
Punctuality (Arrival)
83
%
Late on average
8 minutes
Age
7y, 6m
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 Thu, Oct 22 from ATH at approximately 1:47 PM. This flight is expected to arrrive in ORD at 3:59 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Oct 19 | Athens (ATH) | Chicago (ORD) | B78X | 1:27 PM | 4:28 PM | Arrived |
| Tue, Oct 20 | Athens (ATH) | Chicago (ORD) | B78X | 3:28 PM | 5:49 PM | Arrived |
| Wed, Oct 21 | Athens (ATH) | Chicago (ORD) | B78X | 2:41 PM | 4:54 PM | Arrived |
| Thu, Oct 22 | Athens (ATH) | Chicago (ORD) | B78X | 1:47 PM | 3:59 PM | Arrived |
| Fri, Oct 23 | Athens (ATH) | Chicago (ORD) | B78X | 1:14 PM | 3:59 PM | En route |
| Sat, Oct 24 | Athens (ATH) | Chicago (ORD) | B78X | 12:35 PM | 4:00 PM | Scheduled |
| Sun, Oct 25 | Chicago (ORD) | Houston (IAH) | 739 | 6:40 AM | 3:29 PM | Scheduled |
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UA423 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA423 is 40% (Late on average 49 minutes), and the on-time arrival rate is 83% (Late on average 8 minutes).
On-Time Departures
Punctuality
40
%
Late on average
49 minutes
Early
0
%
On time
40
%
30 mins late
33
%
60 mins late
13
%
90 mins late
13
%
Canceled
0
%
On-Time Arrivals
Punctuality
83
%
Late on average
8 minutes
Early
53
%
On time
30
%
30 mins late
10
%
60 mins late
3
%
90 mins late
3
%
Canceled
0
%
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Frequently Asked Questions
What is the current status of flight ua423?
Flight ua423 has departed (status: En route). Departure 1:14 PM, estimated arrival 3:59 PM (updated Oct 23, 2026).Is flight ua423 on time today?
Flight ua423 has already departed (status: En route). It took off at 1:14 PM and is estimated to arrive at 3:59 PM.Has flight ua423 departed yet? What is the departure time?
Flight ua423 is scheduled to depart at 12:55 PM. The latest actual or estimated departure time is 1:14 PM, and the current status is En route (updated Oct 23, 2026).When is flight ua423 scheduled to arrive?
Flight ua423 is scheduled to arrive at 4:20 PM. The latest estimated or actual arrival time is 3:59 PM. Status is En route as of Oct 23, 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 hours25 minutes; operating days may include Friday.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 (En route, updated Oct 23, 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 departed from Athens (ATH) at 1:14 PM (status: En route).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
Clear
|
10°C - 21°C
Weather forecast for your arrival day
-8 hour time difference
Time on arrival: Athens 23:59
|
Chicago 15:59
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