United Airlines UA3990 Flight status
According to Trip.com real-time data, the UA3990 flight operated by United Airlines on Oct 23, 2026 is scheduled to fly from Houston (IAH) to Louisville (SDF). The flight is expected to depart at 09:47 (local time in Houston, UTC-5) and land at 12:36 (local time in Louisville, UTC-4)
Thu, Oct 22
Fri, Oct 23
Sat, Oct 24
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Arrived
The flight has arrived 5m late
2h 22m
Check-in Counter
--
Boarding Gate
B44
Arrival Gate
A14
Baggage
A
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Scheduled
Your flight will depart on time.
2h 22m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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United Airlines From TRY 8,118
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Scheduled
Your flight will depart on time.
2h 22m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Need a flight from Houston to Louisville?
United Airlines From TRY 8,118
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UA6150
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Baton Rouge (BTR)
Houston (HOU)
Houston (HOU)
Scheduled: 06:36
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UA3990 Aircraft Details
According to Trip.com real-time data, the UA3990 flight flying from Houston to Louisville on 10/23/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 11y, 10m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
83
%
Punctuality (Arrival)
100
%
Early on average
12 minutes
Age
11y, 10m
Seats
76
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Inflight entertainment is available
Unknown
Unknown
Seat Information
79 cm
Legroom
46 cm
Seat width
100°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Snacks
Inflight entertainment is available
Unknown
Power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seat Information
86 cm
Legroom
46 cm
Seat width
105°
Reclining Angle
--
Seat layout example
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Flight History for UA3990
Trip.com historical records show that the last UA3990 flight departed on Thu, Oct 22 from IAH at approximately 10:15. This flight is expected to arrrive in SDF at 13:14.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 18 | Houston (IAH) | Louisville (SDF) | E75L | 10:02 | 13:03 | Arrived |
| Mon, Oct 19 | Houston (IAH) | Louisville (SDF) | E75L | 10:41 | 13:33 | Arrived |
| Tue, Oct 20 | Houston (IAH) | Louisville (SDF) | E75L | 09:50 | 12:40 | Arrived |
| Wed, Oct 21 | Houston (IAH) | Louisville (SDF) | E75L | 09:55 | 12:48 | Arrived |
| Thu, Oct 22 | Houston (IAH) | Louisville (SDF) | E75L | 10:15 | 13:14 | Arrived |
| Fri, Oct 23 | Houston (IAH) | Louisville (SDF) | E75L | 09:47 | 12:36 | Scheduled |
| Sat, Oct 24 | Houston (IAH) | Louisville (SDF) | E75L | 09:47 | 13:09 | Scheduled |
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UA3990 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA3990 is 83% (Late on average 19 minutes), and the on-time arrival rate is 100% (Early on average 12 minutes).
On-Time Departures
Punctuality
83
%
Late on average
19 minutes
Early
0
%
On time
83
%
30 mins late
13
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
12 minutes
Early
80
%
On time
20
%
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 ua3990?
Flight ua3990 has not departed yet and is currently on schedule. Scheduled departure 09:47, arrival 13:09 (updated Oct 23, 2026).Is flight ua3990 on time today?
Flight ua3990 has not departed yet and is currently on schedule. Scheduled departure is 09:47, with arrival at 13:09. Recheck gate and timing before you head to the airport.Has flight ua3990 departed yet? What is the departure time?
Flight ua3990 is scheduled to depart at 09:47. The latest actual or estimated departure time is 09:47, and the current status is Scheduled (updated Oct 23, 2026).When is flight ua3990 scheduled to arrive?
Flight ua3990 is scheduled to arrive at 13:09. The latest estimated or actual arrival time is 12:36. Status is Scheduled as of Oct 23, 2026.What route does flight ua3990 fly?
Flight ua3990 is operated by United Airlines from Houston (IAH) to Louisville (SDF). Typical flight time is about 2 hours 22 minutes; operating days may include Friday.How can I check real-time status for flight ua3990?
Track flight ua3990 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 ua3990 is delayed or canceled, what should I do?
If ua3990 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 23, 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 ua3990 departed from Houston?
Flight ua3990 has not departed from Houston (IAH) yet and is currently on schedule for 09:47.What is the seat configuration for flight ua3990?
Flight ua3990 usually flies a Embraer 175 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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Time on arrival: Houston 11:36
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