United Airlines UA688 Flight Status
According to Trip.com real-time data, the UA688 flight operated by United Airlines on Apr 17, 2026 is scheduled to fly from Las Vegas (LAS) to Boston (BOS). The flight is expected to depart at 8:10 AM (local time in Las Vegas, UTC-7) and land at 7:06 PM (local time in Boston, UTC-4) .
Thu, Apr 16
Fri, Apr 17
Sat, Apr 18
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Returning to airport
This flight is returning to the departure airport.
7h 56m
BOS
-10h -23m
Check-in Counter
--
Boarding Gate
D55
Arrival Gate
D15
Baggage
6
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Scheduled
Your flight will depart on time.
7h 56m
BOS
-10h -5m
Check-in Counter
--
Boarding Gate
D57
Arrival Gate
B29
Baggage
--
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Scheduled
Your flight will depart on time.
7h 56m
BOS
-10h -56m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from Las Vegas to Boston to find your schedule.
Track the Previous Flight Status: Scheduled
UA2304
|
Key West (EYW) 
Las Vegas (LAS)
Las Vegas (LAS)Scheduled: 11:59 PM
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UA688 Aircraft Details
According to Trip.com real-time data, the UA688 flight flying from Las Vegas to Boston on 4/17/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 11y. The aircraft is equipped with 179 seats.
Boeing 737-900
Punctuality (Departure)
89%
Punctuality (Arrival)
78%
Early on average
2 minutes
Age
11y
Seats
179
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
--
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Live TV
Wi-Fi is available
Power outlet
Seat Information
94 cm
Legroom
51 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
Legroom
43 cm
Seat width
105°
Reclining Angle
3-3
Seat layout example
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Flight History for UA688
Check more records from Trip.com about UA688 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Apr 12 | Las Vegas (LAS) | Boston (BOS) | 739 | 8:25 AM | 7:46 PM | Arrived |
| Mon, Apr 13 | Las Vegas (LAS) | Boston (BOS) | 739 | 8:22 AM | 6:52 PM | Arrived |
| Tue, Apr 14 | Las Vegas (LAS) | Boston (BOS) | 739 | 8:17 AM | 6:50 PM | Arrived |
| Wed, Apr 15 | Las Vegas (LAS) | Boston (BOS) | 739 | 9:10 AM | 8:17 PM | Arrived |
| Thu, Apr 16 | Las Vegas (LAS) | Boston (BOS) | 739 | 8:18 AM | 6:33 PM | Returning to airport |
| Fri, Apr 17 | Las Vegas (LAS) | Boston (BOS) | 739 | 8:10 AM | 7:06 PM | Scheduled |
| Sat, Apr 18 | Las Vegas (LAS) | Boston (BOS) | 739 | 8:10 AM | 7:06 PM | Scheduled |
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UA688 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA688 is 89% (Late on average 16 minutes), and the on-time arrival rate is 78% (Early on average 2 minutes).
On-Time Departures
Punctuality
89%
Late on average 16 minutes
Early
0%
On time
89%
30 mins late
6%
60 mins late
6%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
78%
Early on average 2 minutes
Early
61%
On time
17%
30 mins late
11%
60 mins late
11%
90 mins late
0%
Canceled
0%
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Arrival Info: Boston Weather & Current Time
Mostly cloudy
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12°C - 14°C
Weather forecast for your arrival day
3 hour time difference
Time on arrival: Las Vegas 16:06| Boston 19:06
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