United Airlines
UA423 Flight Status
According to Trip.com real-time data, the UA423 flight operated by United Airlines on Sep 12, 2026 is scheduled to fly from Athens (ATH) to Chicago (ORD). The flight is expected to depart at 12:35 (local time in Athens, UTC+3) and land at 15:12 (local time in Chicago, UTC-5) .
Fri, Sep 11
Sat, Sep 12
Sun, Sep 13
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En route
Your flight has departed Athens and is expected to arrive in Chicago at 16:05.
11h 25m
Check-in Counter
144-150
Boarding Gate
A3
Arrival Gate
INTL
Baggage
7
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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
7
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Scheduled
Your flight will depart on time.
11h 25m
Check-in Counter
152-158
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight.
Please refer to airport announcements for the most up-to-date information.
Track the Previous Flight Status: Scheduled
UA422
|
Chicago (CHI)
Athens (ATH)
Athens (ATH)
Scheduled: 10:35
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UA423 Aircraft Details
According to Trip.com real-time data, the UA423 flight flying from Athens to Chicago on 9/12/2026 is operated by the aircraft model Boeing 787-10. This aircraft has been in service for 6y, 10m. The aircraft is equipped with 318 seats.
Boeing 787-10
Punctuality (Departure)
33
%
Punctuality (Arrival)
87
%
Early on average
10 minutes
Age
6y, 10m
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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Recent Flight History for UA423
Trip.com historical records show that the last UA423 flight departed on Fri, Sep 11 from ATH at approximately 13:28. This flight is expected to arrrive in ORD at 16:05.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Sep 7 | Athens (ATH) | Chicago (ORD) | B78X | 13:38 | 16:11 | Arrived |
| Tue, Sep 8 | Athens (ATH) | Chicago (ORD) | B78X | 13:04 | 15:38 | Arrived |
| Wed, Sep 9 | Athens (ATH) | Chicago (ORD) | B78X | 15:51 | 18:53 | Arrived |
| Thu, Sep 10 | Athens (ATH) | Chicago (ORD) | B78X | 13:15 | 15:45 | Arrived |
| Fri, Sep 11 | Athens (ATH) | Chicago (ORD) | B78X | 13:28 | 16:05 | En route |
| Sat, Sep 12 | Athens (ATH) | Chicago (ORD) | B78X | 12:35 | 15:12 | Scheduled |
| Sun, Sep 13 | Athens (ATH) | Chicago (ORD) | B78X | 12:35 | 16:00 | 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 33% (Late on average 45 minutes), and the on-time arrival rate is 87% (Early on average 10 minutes).
On-Time Departures
Punctuality
33
%
Late on average
45 minutes
Early
0
%
On time
33
%
30 mins late
53
%
60 mins late
7
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
87
%
Early on average
10 minutes
Early
83
%
On time
3
%
30 mins late
7
%
60 mins late
3
%
90 mins late
3
%
Cancelled
0
%
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Frequently Asked Questions
-
What is the current status of flight ua423?
Flight ua423 has not departed yet and is currently on schedule. Scheduled departure 12:35, arrival 16:00 (updated Sep 12, 2026). -
Is flight ua423 on time today?
Flight ua423 has not departed yet and is currently on schedule. Scheduled departure is 12:35, with arrival at 16:00. Recheck gate and timing before you head to the airport. -
Has flight ua423 departed yet? What is the departure time?
Flight ua423 is scheduled to depart at 12:35. The latest actual or estimated departure time is 12:35, and the current status is Scheduled (updated Sep 12, 2026). -
When is flight ua423 scheduled to arrive?
Flight ua423 is scheduled to arrive at 16:00. The latest estimated or actual arrival time is 15:12. Status is Scheduled as of Sep 12, 2026. -
What is the baggage carousel number for flight ua423?
After arrival, baggage for flight ua423 is expected at carousel 7 in terminal T5. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival. -
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 Saturday. -
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 (Scheduled, updated Sep 12, 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 departed from Athens (ATH) yet and is currently on schedule for 12:35. -
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
|
20°C - 26°C
Weather forecast for your arrival day
-8 hour time difference
Time on arrival: Athens 23:12
|
Chicago 15:12
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