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(UA) United Airlines 3999 Flight Tracker
Flight Status
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Positional Tracking Not Available Yet
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Additional Details
Aircraft Equipment
Code
E75
Description
Embraer 175
Past and Upcoming Flights
For flights prior to the results below, please use our Historical Flight Status feature.
03-Apr
31-Mar
01-Apr
02-Apr
03-Apr
04-Apr
05-Apr
06-Apr
Flights for Tuesday, 31-Mar-2026
Departure Time
Origin
Destination
Arrival Time
16:59 CDT
IAH
Houston
DFW
Dallas
18:33 CDT
Flights for Wednesday, 01-Apr-2026
Departure Time
Origin
Destination
Arrival Time
16:38 EDT
EYW
Key West
IAH
Houston
18:56 CDT
Flights for Thursday, 02-Apr-2026
Departure Time
Origin
Destination
Arrival Time
16:38 EDT
EYW
Key West
IAH
Houston
18:56 CDT
Flights for Friday, 03-Apr-2026
Departure Time
Origin
Destination
Arrival Time
16:38 EDT
EYW
Key West
IAH
Houston
18:56 CDT
Flights for Saturday, 04-Apr-2026
Departure Time
Origin
Destination
Arrival Time
16:38 EDT
EYW
Key West
IAH
Houston
18:56 CDT
Flights for Sunday, 05-Apr-2026
Departure Time
Origin
Destination
Arrival Time
16:38 EDT
EYW
Key West
IAH
Houston
18:56 CDT
Flights for Monday, 06-Apr-2026
No Flight Information Available
According to our data, this flight is not scheduled to fly on this date