United Airlines UA4390 Flight Status
According to Trip.com real-time data, the UA4390 flight operated by United Airlines on Oct 24, 2026 is scheduled to fly from Washington D.C. (IAD) to Harrisburg (MDT). The flight is expected to depart at 10:25 PM and land at 10:52 PM .
Thu, Oct 22
Sat, Oct 24
Sun, Oct 25
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Arrived
The flight has arrived 18m early
1h 4m
Check-in Counter
AREA 4
Boarding Gate
A5C
Arrival Gate
B1
Baggage
3
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Scheduled
Your flight will depart on time.
1h 4m
Check-in Counter
AREA 4
Boarding Gate
C24
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
4h 7m
IAD
1h
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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UA4390 Aircraft Details
According to Trip.com real-time data, the UA4390 flight flying from Buffalo to Portland on 10/24/2026 is operated by the aircraft model Bombardier CRJ-550. This aircraft has been in service for 25y, 2m. The aircraft is equipped with 50 seats.
Bombardier CRJ-550
Punctuality (Departure)
--
Punctuality (Arrival)
--
Early on average
--
Age
25y, 2m
Seats
50
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
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
In-Flight Services
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
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 UA4390
Trip.com historical records show that the last UA4390 flight departed on Thu, Oct 22 from BUF at approximately 10:46 PM. This flight is expected to arrrive in MDT at 11:11 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Oct 15 | Washington D.C. (IAD) | Harrisburg (MDT) | CRJ7 | 10:49 PM | 11:18 PM | Arrived |
| Sat, Oct 17 | Washington D.C. (IAD) | Harrisburg (MDT) | CRJ7 | 10:51 PM | 11:22 PM | Arrived |
| Sun, Oct 18 | Washington D.C. (IAD) | Harrisburg (MDT) | CRJ7 | 11:25 PM | 11:50 PM | Arrived |
| Wed, Oct 21 | Washington D.C. (IAD) | Harrisburg (MDT) | CRJ7 | 10:39 PM | 11:04 PM | Arrived |
| Thu, Oct 22 | Washington D.C. (IAD) | Harrisburg (MDT) | CRJ7 | 10:46 PM | 11:11 PM | Arrived |
| Sat, Oct 24 | Washington D.C. (IAD) | Harrisburg (MDT) | CRJ7 | 10:25 PM | 10:52 PM | Scheduled |
| Sun, Oct 25 | Buffalo (BUF) | Portland (PWM) | CRJ7 | 6:00 AM | 10:07 AM | Scheduled |
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Frequently Asked Questions
What is the current status of flight ua4390?
Flight ua4390 has not departed yet and is currently on schedule. Scheduled departure 10:25 PM, arrival 11:29 PM (updated Oct 24, 2026).Is flight ua4390 on time today?
Flight ua4390 has not departed yet and is currently on schedule. Scheduled departure is 10:25 PM, with arrival at 11:29 PM. Recheck gate and timing before you head to the airport.Has flight ua4390 departed yet? What is the departure time?
Flight ua4390 is scheduled to depart at 10:25 PM. The latest actual or estimated departure time is 10:25 PM, and the current status is Scheduled (updated Oct 24, 2026).When is flight ua4390 scheduled to arrive?
Flight ua4390 is scheduled to arrive at 11:29 PM. The latest estimated or actual arrival time is 10:52 PM. Status is Scheduled as of Oct 24, 2026.What route does flight ua4390 fly?
Flight ua4390 is operated by United Airlines from Washington D.C. (IAD) to Harrisburg (MDT). Typical flight time is about 1 hour4 minutes; operating days may include Saturday.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 (Scheduled, updated Oct 24, 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 Washington D.C.?
Flight ua4390 has not departed from Washington D.C. (IAD) yet and is currently on schedule for 10:25 PM.
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