flight-status
United Airlines United Airlines

UA3990 Flight Status

According to Trip.com real-time data, the UA3990 flight operated by United Airlines on Mar 7, 2026 is scheduled to fly from Atlanta (ATL) to Houston (IAH). The flight is expected to depart at 11:43 AM (local time in Atlanta, UTC-6) and land at 12:27 PM (local time in Houston, UTC-5) .
Fri, Mar 6
Sat, Mar 7
Sun, Mar 8
HOU-SDF

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Arrived
The flight has arrived 31m early
Houston(IAH)
10:09 AM
Scheduled: 10:04 AM, Mar 6
George Bush Intercontinental Airport C
173106C5-5199-4134-A176-6296CB3DA377 2h 22m
Louisville(SDF)
12:55 PM
Scheduled: 1:26 PM, Mar 6
Louisville International Airport
Check-in Counter
--
Boarding Gate
B16
Arrival Gate
A14
Baggage
A
ATL-HOU

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Scheduled
Your flight will depart on time.
Atlanta(ATL)
11:43 AM
Scheduled: 11:43 AM, Mar 7
Hartsfield-Jackson Atlanta International Airport N
173106C5-5199-4134-A176-6296CB3DA377 2h 39m
Houston(IAH)
12:27 PM
Scheduled: 1:22 PM, Mar 7
George Bush Intercontinental Airport C
Check-in Counter
--
Boarding Gate
T21
Arrival Gate
B17
Baggage
C7
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HOU-SDF

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Scheduled
Your flight will depart on time.
Houston(IAH)
10:10 AM
Scheduled: 10:10 AM, Mar 8
George Bush Intercontinental Airport B
173106C5-5199-4134-A176-6296CB3DA377 2h 22m
Louisville(SDF)
1:32 PM
Scheduled: 1:32 PM, Mar 8
Louisville International Airport
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from Houston to Louisville to find your schedule.
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UA3990

Track the Previous Flight Status: Scheduled

UA6331
|
Norfolk (ORF) Houston (HOU)
Scheduled: 8:50 AM
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UA3990 Aircraft Details

According to Trip.com real-time data, the UA3990 flight flying from Houston to Louisville on 3/7/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 11y, 4m. The aircraft is equipped with 76 seats.
flight status
Embraer 175
Punctuality (Departure)
93%
Punctuality (Arrival)
100%
Early on average
13 minutes
Age
11y, 4m
Seats
76
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Inflight entertainment is available
Wi-Fi is available
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
Wi-Fi is available
Power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
1-2
Seat layout example
In-Flight Services
None
Inflight entertainment is available
Wi-Fi is available
Unknown
Seat Information
86 cm
Legroom
46 cm
Seat width
105°
Reclining Angle
2-2
Seat layout example
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Flight History for UA3990

Trip.com historical records show that the last UA3990 flight departed on Fri, Mar 6 from IAH at approximately 10:09 AM. This flight is expected to arrrive in SDF at 12:55 PM.
DateAirportAircraft ModelDepartureArrivalStatus
DepartureArrival
Mon, Mar 2Houston (IAH)Louisville (SDF)E75L10:20 AM1:04 PMArrived
Tue, Mar 3Houston (IAH)Louisville (SDF)E75L10:39 AM1:32 PMArrived
Wed, Mar 4Houston (IAH)Louisville (SDF)E75L10:34 AM1:34 PMArrived
Thu, Mar 5Houston (IAH)Louisville (SDF)E75L10:33 AM1:31 PMArrived
Fri, Mar 6Houston (IAH)Louisville (SDF)E75L10:09 AM12:55 PMArrived
Sat, Mar 7Atlanta (ATL)Houston (IAH)E75L11:43 AM12:27 PMScheduled
Sun, Mar 8Houston (IAH)Louisville (SDF)E75L10:10 AM1:32 PMScheduled
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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 93% (Late on average 17 minutes), and the on-time arrival rate is 100% (Early on average 13 minutes).

On-Time Departures
Punctuality
93%
Late on average 17 minutes
Early
0%
On time
93%
30 mins late
7%
60 mins late
0%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
100%
Early on average 13 minutes
Early
83%
On time
17%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Canceled
0%

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Arrival Info: Louisville Weather & Current Time

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Mostly cloudy
|
18°C - 26°C
Weather forecast for your arrival day
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1 hour time difference
Time on arrival: Houston 12:32| Louisville 13:32

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