United Airlines
UA643 Flight Status
According to Trip.com real-time data, the UA643 flight operated by United Airlines on Jul 26, 2026 is scheduled to fly from Las Vegas (LAS) to Houston (IAH). The flight is expected to depart at 6:00 AM (local time in Las Vegas, UTC-7) and land at 8:27 PM (local time in Houston, UTC-5) .
Sat, Jul 25
Sun, Jul 26
Mon, Jul 27
Access more flight status info on the Trip.com app
Show more
Arrived
The flight has arrived 16m early
12h 15m
SFO
2h 34m
SNA
3h 22m
Check-in Counter
--
Boarding Gate
D53
Arrival Gate
10
Baggage
C6
Access more flight status info on the Trip.com app
Show more
Scheduled
Your flight will depart on time.
12h 27m
SFO
3h 14m
SNA
3h 36m
Check-in Counter
--
Boarding Gate
D58
Arrival Gate
E1
Baggage
C6
Show more
Access more flight status info on the Trip.com app
Show more
Scheduled
Your flight will depart on time.
12h 27m
SFO
2h 48m
SNA
2h 59m
Check-in Counter
--
Boarding Gate
D53
Arrival Gate
--
Baggage
--
Show more
Information provided by VariFlightVariFlight.
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from Las Vegas to Houston or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA406
|
San Francisco (SFO)
Las Vegas (LAS)
Las Vegas (LAS)
Scheduled: 11:10 PM
fake text
Track incoming flight status with our app
Show more
UA643 Aircraft Details
According to Trip.com real-time data, the UA643 flight flying from Las Vegas to Houston on 7/26/2026 is operated by the aircraft model Boeing 737 MAX 8. This aircraft has been in service for 3y. The aircraft is equipped with 166 seats.
Boeing 737 MAX 8
Punctuality (Departure)
100
%
Punctuality (Arrival)
100
%
Early on average
15 minutes
Age
3y
Seats
166
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
76 cm
More legroom than on 17% of flights
43 cm
Seat width better than on 78% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width better than on 96% of flights
120°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
Legroom
43 cm
Seat width better than on 6% of flights
100°
Reclining Angle
--
Seat layout example
See more amenities and seat info in the app
Show more
Flight History for UA643
Trip.com historical records show that the last UA643 flight departed on Sat, Jul 25 from LAS at approximately 6:18 AM. This flight is expected to arrrive in IAH at 7:59 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Jul 22 | Las Vegas (LAS) | Houston (IAH) | B38M | 6:09 AM | 8:06 PM | Arrived |
| Thu, Jul 23 | Las Vegas (LAS) | Houston (IAH) | B39M | 6:09 AM | 8:08 PM | Arrived |
| Fri, Jul 24 | Las Vegas (LAS) | Houston (IAH) | B38M | 6:19 AM | 8:16 PM | Arrived |
| Sat, Jul 25 | Las Vegas (LAS) | Houston (IAH) | B38M | 6:18 AM | 7:59 PM | Arrived |
| Sun, Jul 26 | Las Vegas (LAS) | Houston (IAH) | B38M | 6:00 AM | 8:27 PM | Scheduled |
| Mon, Jul 27 | Las Vegas (LAS) | Houston (IAH) | B38M | 6:00 AM | 8:27 PM | Scheduled |
text.text............fake.row.text............text.........fake row
...text
Check upcoming flights with our app
Show more
UA643 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA643 is 100% (Late on average 11 minutes), and the on-time arrival rate is 100% (Early on average 15 minutes).
On-Time Departures
Punctuality
100
%
Late on average
11 minutes
Early
0
%
On time
100
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
15 minutes
Early
87
%
On time
13
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
Recommended hotels in Houston
Hotels near George Bush Intercontinental Airport
Hotels near Houston
9.1
/10
61 Reviews
Houston Airport Marriott at George Bush InterContinental
0.42 km from the airport
$239
8.3
/10
80 Reviews
Palace Inn
3.79 km from the airport
$72
8.1
/10
77 Reviews
Ramada by Wyndham Houston InterContinental Airport East
3.82 km from the airport
7% off
$67
$62
8.4
/10
115 Reviews
Hampton Inn & Suites Houston-Bush InterContinental Aprt
3.91 km from the airport
8% off
$126
$116
8.6
/10
121 Reviews
Club Quarters Hotel in Houston
Downtown Houston
|
0.66 km from downtown
30% off
$135
$94
6.1
/10
58 Reviews
Extended Stay America Suites - Houston - Westchase - Richmond
Westchase
|
18.57 km from downtown
$43
8.2
/10
120 Reviews
Holiday Inn Express & Suites HOUSTON NORTH - IAH AREA by IHG
North Houston
|
19.51 km from downtown
22% off
$77
$60
7.8
/10
77 Reviews
Winchester Inn and Suites Humble/IAH/North Houston
21.99 km from downtown
$46
Cheap return flights to Las Vegas
-
Wed, Aug 26Houston (HOU)Las Vegas (LAS)
Frontier Airlines
One way43% off$58$33 -
Sat, Aug 15Houston (HOU)Las Vegas (LAS)
Frontier Airlines
One way28% off$58$42
-
Tue, Aug 18Houston (HOU)Las Vegas (LAS)
Frontier Airlines
One way28% off$58$42
-
Mon, Aug 17Houston (HOU)Las Vegas (LAS)
Frontier Airlines
One way28% off$58$42
-
Tue, Sep 1Houston (HOU)Las Vegas (LAS)
Frontier Airlines
One way28% off$58$42
-
Tue, Sep 8Houston (HOU)Las Vegas (LAS)
Frontier Airlines
One way28% off$58$42
More Cheap Flights
Houston Vacation Packages: Cheap Flights, Hotels & Tours
Hotels
Airport Transfers
Tours & Tickets
Trains
Arrival Info: Houston Weather & Current Time
Mostly cloudy
|
25°C - 34°C
Weather forecast for your arrival day
2 hour time difference
Time on arrival: Las Vegas 18:27
|
Houston 20:27
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Convenient & reliable booking and payment system