United Airlines UA4519 Flight Status
According to Trip.com real-time data, the UA4519 flight operated by United Airlines on Sep 21, 2026, scheduled to fly from Chicago (ORD) to Knoxville (TYS), has experienced a change in flight status: the originally scheduled departure time has been delayed, and the new departure time is 07:23 , with a new arrival time of 09:30 (local time in Knoxville, UTC-4) . Trip.com will continue to keep you updated on the latest flight status.
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Arrived
The flight has arrived 3h 37m late
1h 54m
Check-in Counter
--
Boarding Gate
E12
Arrival Gate
11
Baggage
3
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Delayed
Your flight is about 23m late
1h 54m
Check-in Counter
--
Boarding Gate
F1
Arrival Gate
--
Baggage
3
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Scheduled
Your flight will depart on time.
1h 54m
Check-in Counter
--
Boarding Gate
F28
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
UA4546
|
Birmingham (BHM) 
Chicago (CHI)
Chicago (CHI)Scheduled: 20:40
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UA4519 Aircraft Details
According to Trip.com real-time data, the UA4519 flight flying from Chicago to Knoxville on 9/21/2026 is operated by the aircraft model Bombardier CRJ-550. This aircraft has been in service for 20y, 5m. The aircraft is equipped with 50 seats.
Bombardier CRJ-550
Punctuality (Departure)
55%
Punctuality (Arrival)
73%
Late on average
9 minutes
Age
20y, 5m
Seats
50
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
USB port
Seat Information
79 cm
More legroom than on 40% of flights
44 cm
Seat width better than on 27% of flights
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
USB port and power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width better than on 45% of flights
120°
Reclining Angle
1-2
Seat layout example
In-Flight Services
Snacks
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
More legroom than on 14% of flights
44 cm
Seat width better than on 29% of flights
100°
Reclining Angle
--
Seat layout example
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Flight History for UA4519
Trip.com historical records show that the last UA4519 flight departed on Sun, Sep 20 from ORD at approximately 11:27. This flight is expected to arrrive in TYS at 13:31.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 17 | Chicago (ORD) | Knoxville (TYS) | CRJ7 | -- | -- | Canceled |
| Fri, Sep 18 | Chicago (ORD) | Knoxville (TYS) | CRJ7 | 07:15 | 09:25 | Arrived |
| Sat, Sep 19 | Chicago (ORD) | Knoxville (TYS) | CRJ7 | -- | -- | Canceled |
| Sun, Sep 20 | Chicago (ORD) | Knoxville (TYS) | CRJ7 | 11:27 | 13:31 | Arrived |
| Mon, Sep 21 | Chicago (ORD) | Knoxville (TYS) | CRJ7 | 07:23 | 09:30 | Delayed |
| Tue, Sep 22 | Chicago (ORD) | Knoxville (TYS) | CRJ7 | 07:00 | 09:54 | Scheduled |
| Wed, Sep 23 | Chicago (ORD) | Knoxville (TYS) | CRJ7 | 07:00 | 09:54 | Scheduled |
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UA4519 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA4519 is 55% (Late on average 55 minutes), and the on-time arrival rate is 73% (Late on average 9 minutes).
On-Time Departures
Punctuality
55%
Late on average 55 minutes
Early
0%
On time
55%
30 mins late
18%
60 mins late
9%
90 mins late
18%
Canceled
15%
On-Time Arrivals
Punctuality
73%
Late on average 9 minutes
Early
64%
On time
9%
30 mins late
9%
60 mins late
9%
90 mins late
9%
Canceled
15%
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Frequently Asked Questions
What is the current status of flight ua4519?
Flight ua4519 is delayed by about 23 minutes (status: Delayed). Latest estimated departure/arrival: 07:23 / 09:30 (updated Sep 21, 2026).Is flight ua4519 on time today?
Flight ua4519 is delayed by about 23 minutes (status: Delayed). The latest estimated departure/arrival times are 07:23 / 09:30. Watch for gate changes.Has flight ua4519 departed yet? What is the departure time?
Flight ua4519 is scheduled to depart at 07:00. The latest actual or estimated departure time is 07:23, and the current status is Delayed (updated Sep 21, 2026).When is flight ua4519 scheduled to arrive?
Flight ua4519 is scheduled to arrive at 09:54. The latest estimated or actual arrival time is 09:30. Status is Delayed as of Sep 21, 2026.What is the gate information for flight ua4519?
For flight ua4519, the departure terminal is T2 and the boarding gate is F1. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua4519 fly?
Flight ua4519 is operated by United Airlines from Chicago (ORD) to Knoxville (TYS). Typical flight time is about 1 hour54 minutes; operating days may include Monday.How can I check real-time status for flight ua4519?
Track flight ua4519 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 ua4519 is delayed or canceled, what should I do?
If ua4519 is delayed or canceled, first confirm the latest status here (Delayed, updated Sep 21, 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 ua4519 departed from Chicago?
Flight ua4519 has not left Chicago (ORD) yet and is delayed by about 23 minutes. Latest estimated departure: 07:23.What is the seat configuration for flight ua4519?
Flight ua4519 usually flies a Bombardier CRJ-550 with seat layout 2-2. 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: Knoxville Weather & Current Time
Mostly clear
|
21°C - 35°C
Weather forecast for your arrival day
1 hour time difference
Time on arrival: Chicago 08:54| Knoxville 09:54
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