United Airlines UA4311 Flight status
According to Trip.com real-time data, the UA4311 flight operated by United Airlines on Oct 31, 2026, flying from Knoxville (TYS) to Washington D.C. (IAD), departed at 05:55 and is expected to arrive at 07:02 at Dulles International Airport (IAD).
Fri, Oct 30
Sat, Oct 31
Sun, Nov 1
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Arrived
The flight has arrived 37m early
1h 43m
Check-in Counter
--
Boarding Gate
13
Arrival Gate
A4B
Baggage
5
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United Airlines From THB 5,680
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En route
Your flight has departed Knoxville and is expected to arrive in Washington D.C. at 07:02.
1h 43m
Check-in Counter
--
Boarding Gate
13
Arrival Gate
A4C
Baggage
5
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Scheduled
Your flight will depart on time.
1h 43m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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United Airlines From THB 5,680
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 Knoxville to Washington D.C. or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA4818
|
Houston (HOU)
Knoxville (TYS)
Knoxville (TYS)
Scheduled: 18:00
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UA4311 Aircraft Details
According to Trip.com real-time data, the UA4311 flight from Knoxville to Washington D.C. on 10/31/2026 is operated using the aircraft model Embraer RJ 135/140/145. This aircraft has been in service for 21y, 2m. The aircraft has 50 seats.
Embraer RJ 135/140/145
Punctuality (Departure)
97
%
Punctuality (Arrival)
97
%
Early on average
20 minutes
Age
21y, 2m
Seats
50
Flight Distance
--
Economy
Premium Economy
In-Flight Services
Snacks
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
79 cm
More legroom than on 9% of flights
--
Seat width
105°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
97 cm
More legroom than on 27% of flights
--
Seat width
105°
Reclining Angle
--
Seat layout example
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Flight History for UA4311
Trip.com historical records show that the last UA4311 flight departed on Fri, Oct 30 from TYS at approximately 05:48. This flight is expected to arrrive in IAD at 06:51.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Oct 26 | Knoxville (TYS) | Washington D.C. (IAD) | E45X | 05:51 | 07:00 | Arrived |
| Tue, Oct 27 | Knoxville (TYS) | Washington D.C. (IAD) | E45X | 05:52 | 07:02 | Arrived |
| Wed, Oct 28 | Knoxville (TYS) | Washington D.C. (IAD) | E45X | 05:45 | 06:53 | Arrived |
| Thu, Oct 29 | Knoxville (TYS) | Washington D.C. (IAD) | E45X | 05:51 | 07:02 | Arrived |
| Fri, Oct 30 | Knoxville (TYS) | Washington D.C. (IAD) | E45X | 05:48 | 06:51 | Arrived |
| Sat, Oct 31 | Knoxville (TYS) | Washington D.C. (IAD) | E45X | 05:55 | 07:02 | En route |
| Sun, Nov 1 | Knoxville (TYS) | Washington D.C. (IAD) | E45X | 05:45 | 08:28 | Scheduled |
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UA4311 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA4311 is 97% (Late on average 11 minutes), and the on-time arrival rate is 97% (Early on average 20 minutes).
On-Time Departures
Punctuality
97
%
Late on average
11 minutes
Early
0
%
On time
97
%
30 mins late
0
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
20 minutes
Early
97
%
On time
0
%
30 mins late
3
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua4311?
Flight ua4311 has departed (status: En route). Departure 05:55, estimated arrival 07:02 (updated Oct 31, 2026).Is flight ua4311 on time today?
Flight ua4311 has already departed (status: En route). It took off at 05:55 and is estimated to arrive at 07:02.Has flight ua4311 departed yet? What is the departure time?
Flight ua4311 is scheduled to depart at 05:45. The latest actual or estimated departure time is 05:55, and the current status is En route (updated Oct 31, 2026).When is flight ua4311 scheduled to arrive?
Flight ua4311 is scheduled to arrive at 07:28. The latest estimated or actual arrival time is 07:02. Status is En route as of Oct 31, 2026.What route does flight ua4311 fly?
Flight ua4311 is operated by United Airlines from Knoxville (TYS) to Washington D.C. (IAD). Typical flight time is about 1 hour 43 minutes; operating days may include Saturday.How can I check real-time status for flight ua4311?
Track flight ua4311 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 ua4311 is delayed or canceled, what should I do?
If ua4311 is delayed or canceled, first confirm the latest status here (En route, updated Oct 31, 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 ua4311 departed from Knoxville?
Flight ua4311 has departed from Knoxville (TYS) at 05:55 (status: En route).What is the seat configuration for flight ua4311?
Flight ua4311 usually flies a Embraer RJ 135/140/145 with seat layout 1-2. 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: Washington D.C. Weather & Current Time
Clear
|
6°C - 24°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Knoxville 08:28
|
Washington D.C. 08:28
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