United Airlines UA1644 Flight Status
Based on Trip.com real-time data, flight UA1644 operated by United Airlines from San Juan (SJU) to Houston (IAH) on May 10, 2026 has departed at 07:10 (Local time in San Juan, UTC-4) and is expected to arrive at 10:35 (Local time in Houston, UTC-5) at George Bush Intercontinental Airport (IAH).
Sat, May 9
Sun, May 10
Mon, May 11
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Arrived
The flight has arrived 28m early
4h 53m
Check-in Counter
--
Boarding Gate
B6
Arrival Gate
E1
Baggage
C9
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En route
Your flight has departed San Juan and is expected to arrive in Houston at 10:35.
4h 53m
Check-in Counter
--
Boarding Gate
B6
Arrival Gate
9
Baggage
C9
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Scheduled
Your flight will depart on time.
4h 53m
Check-in Counter
--
Boarding Gate
B
Arrival Gate
E9
Baggage
C9
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Information provided by VariFlightVariFlight. For the latest updates, please refer to airport announcements or consult your airline. If this is not your flight, you can browse more options for flights from San Juan to Houston to find your schedule.
Track the Previous Flight Status: Scheduled
UA701
|
Houston (HOU) 
San Juan (SJU)
San Juan (SJU)Scheduled: 20:38
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UA1644 Aircraft Details
According to Trip.com real-time data, the UA1644 flight flying from San Juan to Houston on 5/10/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 3y, 2m. The aircraft is equipped with Up to 191 seats.
Boeing 737-900
Punctuality (Departure)
97%
Punctuality (Arrival)
100%
Early on average
12 minutes
Age
3y, 2m
Seats
Up to 191
Distance
--
Economy
Business
First
Premium Economy
Onboard Amenities
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
79 cm
More legroom than on 67% of flights
--
Seat width
105°
Reclining Angle
3-3
Seat layout example
Onboard Amenities
Meal included
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seating Plan
--
Legroom
--
Seat width
--
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Meal included
Live TV
Wi-Fi is available
Power outlet
Seating Plan
97 cm
More legroom than on 67% of flights
51 cm
Seat width
145°
Reclining Angle
--
Seat layout example
Onboard Amenities
Meal included
Live TV
Wi-Fi is available
Power outlet
Seating Plan
89 cm
More legroom than on 67% of flights
43 cm
Seat width
120°
Reclining Angle
--
Seat layout example
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Flight History for UA1644
Trip.com historical records show that the last UA1644 flight departed on Sat, May 9 from SJU at approximately 07:05. This flight is expected to arrrive in IAH at 10:25.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, May 6 | San Juan (SJU) | Houston (IAH) | B39M | 07:08 | 10:33 | Arrived |
| Thu, May 7 | San Juan (SJU) | Houston (IAH) | B39M | 07:06 | 10:36 | Arrived |
| Fri, May 8 | San Juan (SJU) | Houston (IAH) | B39M | 07:10 | 10:30 | Arrived |
| Sat, May 9 | San Juan (SJU) | Houston (IAH) | B39M | 07:05 | 10:25 | Arrived |
| Sun, May 10 | San Juan (SJU) | Houston (IAH) | B39M | 07:10 | 10:35 | En route |
| Mon, May 11 | San Juan (SJU) | Houston (IAH) | B39M | 07:00 | 10:53 | Scheduled |
| Tue, May 12 | San Juan (SJU) | Houston (IAH) | B39M | 07:00 | 10:53 | Scheduled |
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UA1644 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1644 is 97% (Late on average 9 minutes), and the on-time arrival rate is 100% (Early on average 12 minutes).
On-Time Departures
Punctuality
97%
Late on average 9 minutes
Early
0%
On time
97%
30 mins late
3%
60 mins late
0%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
100%
Early on average 12 minutes
Early
97%
On time
3%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Cheap Return Flights to San Juan
- Sun, May 24Houston (HOU)San Juan (SJU)
Frontier AirlinesOne way49% off€150€77 - Fri, May 15Houston (HOU)San Juan (SJU) Frontier AirlinesOne way40% off€150€90
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Destination Info: Houston Weather & Time
Cloudy
|
22°C - 32°C
Expected weather conditions upon arrival
-1 hour time difference
Time on arrival: San Juan 11:53| Houston 10:53
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