United Airlines UA1734 Flight Status
According to Trip.com real-time data, the UA1734 flight operated by United Airlines on Sep 21, 2026, flying from Boston (BOS) to Los Angeles (LAX), departed at 05:49 and is expected to arrive at 10:24 (local time in Los Angeles, UTC-7) and land at Los Angeles International Airport (LAX).
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Arrived
The flight has arrived 12m early
7h 48m
IAD
57m
Check-in Counter
--
Boarding Gate
B23
Arrival Gate
71A
Baggage
2
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En route
Your flight has departed Boston and is expected to arrive in Los Angeles at 10:24.
7h 48m
IAD
1h
Check-in Counter
--
Boarding Gate
B24
Arrival Gate
83
Baggage
1
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Scheduled
Your flight will depart on time.
7h 48m
IAD
40m
Check-in Counter
--
Boarding Gate
B23
Arrival Gate
70B
Baggage
1
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Information provided by VariFlight. Please refer to airport announcements for the most up-to-date information. You can also explore more flights from Boston to Los Angeles or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA755
|
Reno (RNO) 
Boston (BOS)
Boston (BOS)Scheduled: 23:59
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UA1734 Aircraft Details
According to Trip.com real-time data, the UA1734 flight flying from Boston to Los Angeles on 9/21/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 1y, 1m. The aircraft is equipped with 179 seats.
Boeing 737-900
Punctuality (Departure)
97%
Punctuality (Arrival)
93%
Early on average
21 minutes
Age
1y, 1m
Seats
179
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
Legroom
45 cm
Seat width better than on 60% of flights
90°
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
52 cm
Seat width better than on 56% 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
45 cm
Seat width better than on 68% of flights
100°
Reclining Angle
--
Seat layout example
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Recent Flight History for UA1734
Trip.com historical records show that the last UA1734 flight departed on Sun, Sep 20 from BOS at approximately 05:53. This flight is expected to arrrive in LAX at 10:21.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 17 | Boston (BOS) | Los Angeles (LAX) | B39M | 05:55 | 09:58 | Arrived |
| Fri, Sep 18 | Boston (BOS) | Los Angeles (LAX) | B39M | 06:00 | 10:46 | Arrived |
| Sat, Sep 19 | Boston (BOS) | Los Angeles (LAX) | 753 | 05:56 | 09:46 | Arrived |
| Sun, Sep 20 | Boston (BOS) | Los Angeles (LAX) | B39M | 05:53 | 10:21 | Arrived |
| Mon, Sep 21 | Boston (BOS) | Los Angeles (LAX) | B39M | 05:49 | 10:24 | En route |
| Tue, Sep 22 | Boston (BOS) | Los Angeles (LAX) | B39M | 05:45 | 10:33 | Scheduled |
| Wed, Sep 23 | Boston (BOS) | Los Angeles (LAX) | B39M | 05:45 | 10:33 | Scheduled |
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UA1734 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1734 is 97% (Late on average 9 minutes), and the on-time arrival rate is 93% (Early on average 21 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
93%
Early on average 21 minutes
Early
90%
On time
3%
30 mins late
0%
60 mins late
0%
90 mins late
7%
Cancelled
0%
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Frequently Asked Questions
What is the current status of flight ua1734?
Flight ua1734 has departed (status: En route). Departure 05:49, estimated arrival 10:24 (updated Sep 21, 2026).Is flight ua1734 on time today?
Flight ua1734 has already departed (status: En route). It took off at 05:49 and is estimated to arrive at 10:24.Has flight ua1734 departed yet? What is the departure time?
Flight ua1734 is scheduled to depart at 05:45. The latest actual or estimated departure time is 05:49, and the current status is En route (updated Sep 21, 2026).When is flight ua1734 scheduled to arrive?
Flight ua1734 is scheduled to arrive at 10:33. The latest estimated or actual arrival time is 10:24. Status is En route as of Sep 21, 2026.What is the gate information for flight ua1734?
For flight ua1734, the departure terminal is B and the boarding gate is B24. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight ua1734?
After arrival, baggage for flight ua1734 is expected at carousel 1 in terminal T7. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ua1734 fly?
Flight ua1734 is operated by United Airlines from Boston (BOS) to Los Angeles (LAX). Typical flight time is about 7 hours 48 minutes; operating days may include Monday.How can I check real-time status for flight ua1734?
Track flight ua1734 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua1734 is delayed or canceled, what should I do?
If ua1734 is delayed or canceled, first confirm the latest status here (En route, updated Sep 21, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua1734 departed from Boston?
Flight ua1734 has departed from Boston (BOS) at 05:49 (status: En route).
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Arrival Info: Los Angeles Weather & Current Time
Partly cloudy
|
20°C - 28°C
Weather forecast for your arrival day
-3 hour time difference
Time on arrival: Boston 13:33| Los Angeles 10:33
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