Live tracking not available yet
UA1644 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
SJU
Luis Munoz Marin International Airport
San Juan
TB Gate B6 Scheduled 6:40 AM
Actual 6:54 AM
IAH
George Bush Intercontinental Airport
Houston
TC Gate E11 Scheduled 10:46 AM
Actual 10:38 AM
Baggage claim C9
5h 6m flight time
Daily
Recent Flights
Last 6 observedMar 18
Wed
SJU
IAH
Dep 06:40:00
(actual 06:54:00)
7M9
Boarding
Mar 16
Mon
SJU
IAH
Dep 06:40:00
(actual 06:46:00)
7M9
Boarding
Mar 15
Sun
SJU
IAH
Dep 06:40:00
(actual 06:55:00)
7M9
Boarding
Mar 12
Thu
SJU
IAH
Dep 06:40:00
(actual 08:34:00)
7M9
In Air
Mar 11
Wed
SJU
IAH
Dep 06:40:00
(actual 06:51:00)
7M9
Boarding
Mar 07
Sat
SJU
IAH
Dep 07:40:00
(actual 07:43:00)
7M9
In Air
Schedule
Operates
Daily
Departure
6:40 AM
Arrival
10:46 AM
Duration
5h 6m
Aircraft
Boeing 737 MAX 9
Terminal
TB
TC
Gate
B6
E11
Actual
06:54
10:38
Baggage
Carousel C9
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Thu, Mar 26
Schedule valid
Mar 17 —
Jun 16, 2026