United Airlines UA4476 Flight Status
According to Trip.com real-time data, the UA4476 flight operated by United Airlines on Sep 21, 2026, scheduled to fly from Washington D.C. (IAD) to Buffalo (BUF), has experienced a change in flight status: the originally scheduled departure time has been delayed, and the new departure time is 11:00 AM , with a new arrival time of 11:49 AM . Trip.com will continue to keep you updated on the latest flight status.
Sun, Sep 20
Mon, Sep 21
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Arrived
The flight has arrived 25m early
1h 23m
Check-in Counter
AREA 4
Boarding Gate
A5D
Arrival Gate
10
Baggage
2
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Delayed
Your flight is about 2h 35m late
1h 23m
Check-in Counter
AREA 4
Boarding Gate
C24
Arrival Gate
10
Baggage
2
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Washington D.C. to Buffalo or track other flights with our flight status tracker.
UA4476 Aircraft Details
According to Trip.com real-time data, the UA4476 flight flying from Washington D.C. to Buffalo on 9/21/2026 is operated by the aircraft model Bombardier CRJ-550. This aircraft has been in service for 20y, 11m. The aircraft is equipped with 50 seats.
Bombardier CRJ-550
Punctuality (Departure)
85%
Punctuality (Arrival)
93%
Early on average
7 minutes
Age
20y, 11m
Seats
50
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Inflight entertainment is available
Unknown
USB port
Seat Information
79 cm
Legroom
44 cm
Seat width
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
120°
Reclining Angle
1-2
Seat layout example
In-Flight Services
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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Flight History for UA4476
Trip.com historical records show that the last UA4476 flight departed on Sun, Sep 20 from IAD at approximately 8:37 AM. This flight is expected to arrrive in BUF at 9:23 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Mon, Sep 14 | Washington D.C. (IAD) | Buffalo (BUF) | CRJ7 | 8:34 AM | 9:23 AM | Arrived |
| Wed, Sep 16 | Chicago (ORD) | Grand Rapids (GRR) | CRJ7 | 9:15 AM | 10:46 AM | Arrived |
| Thu, Sep 17 | Washington D.C. (IAD) | Buffalo (BUF) | CRJ7 | 10:49 AM | 11:37 AM | Arrived |
| Fri, Sep 18 | Washington D.C. (IAD) | Buffalo (BUF) | CRJ7 | 8:48 AM | 9:38 AM | Arrived |
| Sat, Sep 19 | Washington D.C. (IAD) | Buffalo (BUF) | CRJ7 | 8:42 AM | 9:34 AM | Arrived |
| Sun, Sep 20 | Washington D.C. (IAD) | Buffalo (BUF) | CRJ7 | 8:37 AM | 9:23 AM | Arrived |
| Mon, Sep 21 | Washington D.C. (IAD) | Buffalo (BUF) | CRJ7 | 11:00 AM | 11:49 AM | Delayed |
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UA4476 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA4476 is 85% (Late on average 24 minutes), and the on-time arrival rate is 93% (Early on average 7 minutes).
On-Time Departures
Punctuality
85%
Late on average 24 minutes
Early
0%
On time
85%
30 mins late
7%
60 mins late
4%
90 mins late
4%
Canceled
0%
On-Time Arrivals
Punctuality
93%
Early on average 7 minutes
Early
85%
On time
7%
30 mins late
4%
60 mins late
0%
90 mins late
4%
Canceled
0%
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Frequently Asked Questions
What is the current status of flight ua4476?
Flight ua4476 is delayed by about 155 minutes (status: Delayed). Latest estimated departure/arrival: 11:00 AM / 11:49 AM (updated Sep 21, 2026).Is flight ua4476 on time today?
Flight ua4476 is delayed by about 155 minutes (status: Delayed). The latest estimated departure/arrival times are 11:00 AM / 11:49 AM. Watch for gate changes.Has flight ua4476 departed yet? What is the departure time?
Flight ua4476 is scheduled to depart at 8:25 AM. The latest actual or estimated departure time is 11:00 AM, and the current status is Delayed (updated Sep 21, 2026).When is flight ua4476 scheduled to arrive?
Flight ua4476 is scheduled to arrive at 9:48 AM. The latest estimated or actual arrival time is 11:49 AM. Status is Delayed as of Sep 21, 2026.What route does flight ua4476 fly?
Flight ua4476 is operated by United Airlines from Washington D.C. (IAD) to Buffalo (BUF). Typical flight time is about 1 hour23 minutes; operating days may include Monday.How can I check real-time status for flight ua4476?
Track flight ua4476 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 ua4476 is delayed or canceled, what should I do?
If ua4476 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 ua4476 departed from Washington D.C.?
Flight ua4476 has not left Washington D.C. (IAD) yet and is delayed by about 155 minutes. Latest estimated departure: 11:00 AM.What is the seat configuration for flight ua4476?
Flight ua4476 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: Buffalo Weather & Current Time
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Time on arrival: Washington D.C. 11:49| Buffalo 11:49
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