United Airlines UA423 Flight Status
According to Trip.com real-time data, the UA423 flight operated by United Airlines on Jul 9, 2026, flying from Athens (ATH) to Chicago (ORD), departed at 12:57 PM and is expected to arrive at 3:29 PM (local time in Chicago, UTC-5) and land at O'Hare Intl. Airport (ORD).
Wed, Jul 8
Thu, Jul 9
Fri, Jul 10
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Arrived
The flight has arrived 27m early
11h 40m
Check-in Counter
144-150
Boarding Gate
A3
Arrival Gate
M21
Baggage
--
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En route
Your flight has departed Athens and is expected to arrive in Chicago at 3:29 PM.
11h 40m
Check-in Counter
144-150
Boarding Gate
A3
Arrival Gate
INTL
Baggage
--
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Scheduled
Your flight will depart on time.
11h 40m
Check-in Counter
144-150
Boarding Gate
A
Arrival Gate
INTL
Baggage
--
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Information provided by VariFlightVariFlight. 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: Scheduled
UA422
|
Chicago (CHI) 
Athens (ATH)
Athens (ATH)Scheduled: 10:35 AM
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UA423 Aircraft Details
According to Trip.com real-time data, the UA423 flight flying from Athens to Chicago on 7/9/2026 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)
87%
Early on average
16 minutes
Age
7y, 6m
Seats
318
Flight Distance
--
Economy
Premium Economy
Business
First
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
2-3-2
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
--
Seat width
--
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
1-2-1
Seat layout example
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Flight History for UA423
Trip.com historical records show that the last UA423 flight departed on Wed, Jul 8 from ATH at approximately 1:03 PM. This flight is expected to arrrive in ORD at 3:48 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Jul 5 | Athens (ATH) | Chicago (ORD) | B78X | 1:03 PM | 3:56 PM | Arrived |
| Mon, Jul 6 | Athens (ATH) | Chicago (ORD) | B78X | 2:04 PM | 4:45 PM | Arrived |
| Tue, Jul 7 | Athens (ATH) | Chicago (ORD) | B78X | 1:09 PM | 3:26 PM | Arrived |
| Wed, Jul 8 | Athens (ATH) | Chicago (ORD) | B78X | 1:03 PM | 3:48 PM | Arrived |
| Thu, Jul 9 | Athens (ATH) | Chicago (ORD) | B78X | 12:57 PM | 3:29 PM | En route |
| Fri, Jul 10 | Athens (ATH) | Chicago (ORD) | B78X | 12:35 PM | 4:15 PM | Scheduled |
| Sat, Jul 11 | Athens (ATH) | Chicago (ORD) | B78X | 12:35 PM | 4:15 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 52 minutes), and the on-time arrival rate is 87% (Early on average 16 minutes).
On-Time Departures
Punctuality
40%
Late on average 52 minutes
Early
0%
On time
40%
30 mins late
30%
60 mins late
20%
90 mins late
10%
Canceled
0%
On-Time Arrivals
Punctuality
87%
Early on average 16 minutes
Early
73%
On time
13%
30 mins late
7%
60 mins late
3%
90 mins late
3%
Canceled
0%
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Arrival Info: Chicago Weather & Current Time
Mostly clear
|
23°C - 32°C
Weather forecast for your arrival day
-8 hour time difference
Time on arrival: Athens 00:15| Chicago 16:15
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