United Airlines UA4390 Flight Status
According to Trip.com latest record on status for United Airlines flight UA4390 from Buffalo to Portland (BUF-PWM): Flight UA4390 has taken off from Buffalo Niagara International Airport at 06:12, and is currently en-route to Portland International Jetport. Estimated time of arrival is 09:42.
Tue, Nov 10
Wed, Nov 11
Thu, Nov 12
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Arrived
The flight arrived 11m early.
1h 39m
Check-in Counter
AREA 4
Boarding Gate
C22
Arrival Gate
2
Baggage
A
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United Airlines
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In Flight
Your flight has departed Buffalo and is expected to arrive in Portland at 09:42.
4h 7m
IAD
1h 25m
Check-in Counter
--
Boarding Gate
11
Arrival Gate
2
Baggage
C
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United Airlines From PHP 8,820
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Scheduled
Your flight will depart on time.
4h 7m
IAD
1h
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
C
Need a flight from Buffalo to Portland?
United Airlines From PHP 8,820
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Track the Previous Flight Status: Arrived at Buffalo
UA4468
|
Washington D.C. (WAS)
Buffalo (BUF)
Buffalo (BUF)
Scheduled: 19:04
|
12m early
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UA4390 Aircraft Specifications
According to Trip.com real-time data, the UA4390 flight from Buffalo to Portland on 11/11/2026 is operated using the aircraft model Bombardier CRJ-550. This aircraft has been in service for 25y, 4m. The aircraft has 50 seats.
Bombardier CRJ-550
On-Time Departure
100
%
On-Time Arrival
100
%
Avg. Early
5 minutes
Aircraft Age
25y, 4m
Total Seats
50
Flight Distance
--
Economy
First
Premium Economy
Cabin Amenities
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
79 cm
Legroom
44 cm
Seat width
100°
Reclining Angle
--
Seat layout example
Cabin Amenities
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
--
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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UA4390 Flight History
Trip.com historical records show that the last UA4390 flight departed on Tue, Nov 10 from BUF at approximately 08:46. This flight is expected to arrrive in PWM at 09:56.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Nov 7 | Washington D.C. (IAD) | Portland (PWM) | CRJ7 | 08:36 | 09:45 | Arrived |
| Sun, Nov 8 | Buffalo (BUF) | Portland (PWM) | CRJ7 | 06:19 | 10:05 | Arrived |
| Mon, Nov 9 | Buffalo (BUF) | Portland (PWM) | CRJ7 | 06:11 | 10:02 | Arrived |
| Tue, Nov 10 | Washington D.C. (IAD) | Portland (PWM) | CRJ7 | 08:46 | 09:56 | Arrived |
| Wed, Nov 11 | Buffalo (BUF) | Portland (PWM) | CRJ7 | 06:12 | 09:42 | In Flight |
| Thu, Nov 12 | Buffalo (BUF) | Portland (PWM) | CRJ7 | 06:00 | 10:07 | Scheduled |
| Fri, Nov 13 | Buffalo (BUF) | Portland (PWM) | CRJ7 | 06:00 | 10:07 | Scheduled |
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UA4390 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA4390 is 100% (Late on average 12 minutes), and the on-time arrival rate is 100% (Early on average 5 minutes).
On-Time Departures
Punctuality
100
%
Late on average
12 minutes
Early
0
%
On time
100
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
5 minutes
Early
75
%
On time
25
%
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 ua4390?
Flight ua4390 has departed (status: In Flight). Departure 06:12, estimated arrival 09:42 (updated Nov 11, 2026).Is flight ua4390 on time today?
Flight ua4390 has already departed (status: In Flight). It took off at 06:12 and is estimated to arrive at 09:42.Has flight ua4390 departed yet? What is the departure time?
Flight ua4390 is scheduled to depart at 06:00. The latest actual or estimated departure time is 06:12, and the current status is In Flight (updated Nov 11, 2026).When is flight ua4390 scheduled to arrive?
Flight ua4390 is scheduled to arrive at 10:07. The latest estimated or actual arrival time is 09:42. Status is In Flight as of Nov 11, 2026.What route does flight ua4390 fly?
Flight ua4390 is operated by United Airlines from Buffalo (BUF) to Portland (PWM). Typical flight time is about 4 hours 7 minutes; operating days may include Wednesday.How can I check real-time status for flight ua4390?
Track flight ua4390 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 ua4390 is delayed or canceled, what should I do?
If ua4390 is delayed or canceled, first confirm the latest status here (In Flight, updated Nov 11, 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 ua4390 departed from Buffalo?
Flight ua4390 has departed from Buffalo (BUF) at 06:12 (status: In Flight).
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|
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Time on arrival: Buffalo 09:42
|
Portland 09:42
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