United Airlines UA4540 Flight Status
According to Trip.com latest record on status for United Airlines flight UA4540 from Washington D.C. to Burlington (IAD-BTV): Flights for Nov 13, 2026 are scheduled, with the next departure slated for 17:17 from IAD and an expected arrival at 18:26 at BTV .
Thu, Nov 12
Fri, Nov 13
Sat, Nov 14
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Arrived
The flight arrived 9m early.
1h 35m
Check-in Counter
AREA 4
Boarding Gate
A3B
Arrival Gate
8
Baggage
1
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Scheduled
Your flight will depart on time.
1h 35m
Check-in Counter
AREA 4
Boarding Gate
A6C
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
1h 39m
Check-in Counter
AREA 4
Boarding Gate
--
Arrival Gate
--
Baggage
--
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UA4540 Aircraft Specifications
According to Trip.com real-time data, the UA4540 flight from Washington D.C. to Detroit on 11/13/2026 is operated using the aircraft model Bombardier CRJ-550. This aircraft has been in service for 20y, 11m. The aircraft has 50 seats.
Bombardier CRJ-550
On-Time Departure
50
%
On-Time Arrival
100
%
Avg. Early
6 minutes
Aircraft Age
20y, 11m
Total Seats
50
Flight Distance
--
Economy
First
Premium Economy
Cabin Amenities
Snacks
Inflight entertainment is available
Unknown
USB port
Seat Information
79 cm
More legroom than on 8% of flights
44 cm
Seat width
100°
Reclining Angle
2-2
Seat layout example
Cabin Amenities
Snacks
Inflight entertainment is available
Unknown
USB port and power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width better than on 50% of flights
120°
Reclining Angle
1-2
Seat layout example
Cabin Amenities
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
Legroom
44 cm
Seat width
100°
Reclining Angle
--
Seat layout example
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UA4540 Flight History
Trip.com historical records show that the last UA4540 flight departed on Thu, Nov 12 from IAD at approximately 17:39. This flight is expected to arrrive in BTV at 18:43.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Nov 6 | Washington D.C. (IAD) | Burlington (BTV) | CRJ7 | 18:57 | 20:04 | Arrived |
| Sat, Nov 7 | Washington D.C. (IAD) | Detroit (DTW) | CRJ7 | 17:49 | 18:58 | Arrived |
| Sun, Nov 8 | Washington D.C. (IAD) | Burlington (BTV) | CRJ7 | 17:27 | 18:40 | Arrived |
| Mon, Nov 9 | Washington D.C. (IAD) | Burlington (BTV) | CRJ7 | 17:33 | 18:50 | Arrived |
| Thu, Nov 12 | Washington D.C. (IAD) | Burlington (BTV) | CRJ7 | 17:39 | 18:43 | Arrived |
| Fri, Nov 13 | Washington D.C. (IAD) | Burlington (BTV) | CRJ7 | 17:17 | 18:26 | Scheduled |
| Sat, Nov 14 | Washington D.C. (IAD) | Detroit (DTW) | CRJ7 | 17:15 | 18:54 | Scheduled |
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UA4540 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA4540 is 50% (Late on average 26 minutes), and the on-time arrival rate is 100% (Early on average 6 minutes).
On-Time Departures
Punctuality
50
%
Late on average
26 minutes
Early
0
%
On time
50
%
30 mins late
50
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
6 minutes
Early
50
%
On time
50
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua4540?
Flight ua4540 has not departed yet and is currently on schedule. Scheduled departure 17:17, arrival 18:52 (updated Nov 13, 2026).Is flight ua4540 on time today?
Flight ua4540 has not departed yet and is currently on schedule. Scheduled departure is 17:17, with arrival at 18:52. Recheck gate and timing before you head to the airport.Has flight ua4540 departed yet? What is the departure time?
Flight ua4540 is scheduled to depart at 17:17. The latest actual or estimated departure time is 17:17, and the current status is Scheduled (updated Nov 13, 2026).When is flight ua4540 scheduled to arrive?
Flight ua4540 is scheduled to arrive at 18:52. The latest estimated or actual arrival time is 18:26. Status is Scheduled as of Nov 13, 2026.What route does flight ua4540 fly?
Flight ua4540 is operated by United Airlines from Washington D.C. (IAD) to Burlington (BTV). Typical flight time is about 1 hour 35 minutes; operating days may include Friday.How can I check real-time status for flight ua4540?
Track flight ua4540 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 ua4540 is delayed or canceled, what should I do?
If ua4540 is delayed or canceled, first confirm the latest status here (Scheduled, updated Nov 13, 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 ua4540 departed from Washington D.C.?
Flight ua4540 has not departed from Washington D.C. (IAD) yet and is currently on schedule for 17:17.What is the seat configuration for flight ua4540?
Flight ua4540 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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