United Airlines
UA1721 Flight Status
According to Trip.com real-time data, the UA1721 flight operated by United Airlines on Oct 2, 2026 is scheduled to fly from San Francisco (SFO) to Kailua-Kona (KOA). The flight is expected to depart at 8:10 AM (local time in San Francisco, UTC-7) and land at 10:09 AM (local time in Kailua-Kona, UTC-10) .
Thu, Oct 1
Fri, Oct 2
Sat, Oct 3
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Arrived
The flight has arrived 10m early
5h 33m
Check-in Counter
--
Boarding Gate
F16
Arrival Gate
2
Baggage
A1
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Scheduled
Your flight will depart on time.
5h 33m
Check-in Counter
--
Boarding Gate
D8
Arrival Gate
2
Baggage
A1
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Scheduled
Your flight will depart on time.
5h 33m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
2
Baggage
A1
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Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from San Francisco to Kailua-Kona or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA2056
|
Los Angeles (LAX)
San Francisco (SFO)
San Francisco (SFO)
Scheduled: 10:52 PM
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UA1721 Aircraft Details
According to Trip.com real-time data, the UA1721 flight flying from San Francisco to Kailua-Kona on 10/2/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 5y, 8m. The aircraft is equipped with 179 seats.
Boeing 737-900
Punctuality (Departure)
83
%
Punctuality (Arrival)
93
%
Early on average
10 minutes
Age
5y, 8m
Seats
179
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
--
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
94 cm
More legroom than on 20% of flights
51 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
Entertainment available, please bring your own device
Wi-Fi is available
Power outlet
Seat Information
--
Legroom
--
Seat width
105°
Reclining Angle
--
Seat layout example
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Flight History for UA1721
Trip.com historical records show that the last UA1721 flight departed on Thu, Oct 1 from SFO at approximately 8:33 AM. This flight is expected to arrrive in KOA at 10:33 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Sep 27 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 8:23 AM | 10:05 AM | Arrived |
| Mon, Sep 28 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 8:35 AM | 10:22 AM | Arrived |
| Tue, Sep 29 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 8:27 AM | 10:12 AM | Arrived |
| Wed, Sep 30 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 8:25 AM | 10:16 AM | Arrived |
| Thu, Oct 1 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 8:33 AM | 10:33 AM | Arrived |
| Fri, Oct 2 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 8:10 AM | 10:09 AM | Scheduled |
| Sat, Oct 3 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 8:10 AM | 10:43 AM | Scheduled |
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UA1721 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1721 is 83% (Late on average 26 minutes), and the on-time arrival rate is 93% (Early on average 10 minutes).
On-Time Departures
Punctuality
83
%
Late on average
26 minutes
Early
0
%
On time
83
%
30 mins late
10
%
60 mins late
3
%
90 mins late
3
%
Canceled
0
%
On-Time Arrivals
Punctuality
93
%
Early on average
10 minutes
Early
83
%
On time
10
%
30 mins late
3
%
60 mins late
0
%
90 mins late
3
%
Canceled
0
%
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Frequently Asked Questions
-
What is the current status of flight ua1721?
Flight ua1721 has not departed yet and is currently on schedule. Scheduled departure 8:10 AM, arrival 10:43 AM (updated Oct 2, 2026). -
Is flight ua1721 on time today?
Flight ua1721 has not departed yet and is currently on schedule. Scheduled departure is 8:10 AM, with arrival at 10:43 AM. Recheck gate and timing before you head to the airport. -
Has flight ua1721 departed yet? What is the departure time?
Flight ua1721 is scheduled to depart at 8:10 AM. The latest actual or estimated departure time is 8:10 AM, and the current status is Scheduled (updated Oct 2, 2026). -
When is flight ua1721 scheduled to arrive?
Flight ua1721 is scheduled to arrive at 10:43 AM. The latest estimated or actual arrival time is 10:09 AM. Status is Scheduled as of Oct 2, 2026. -
What is the gate information for flight ua1721?
For flight ua1721, the departure terminal is T3 and the boarding gate is D8. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What is the baggage carousel number for flight ua1721?
After arrival, baggage for flight ua1721 is expected at carousel A1 in terminal T1. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival. -
What route does flight ua1721 fly?
Flight ua1721 is operated by United Airlines from San Francisco (SFO) to Kailua-Kona (KOA). Typical flight time is about 5 hours33 minutes; operating days may include Friday. -
How can I check real-time status for flight ua1721?
Track flight ua1721 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 ua1721 is delayed or canceled, what should I do?
If ua1721 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 2, 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 ua1721 departed from San Francisco?
Flight ua1721 has not departed from San Francisco (SFO) yet and is currently on schedule for 8:10 AM. -
What is the seat configuration for flight ua1721?
Flight ua1721 usually flies a Boeing 737-900 with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Kailua-Kona Weather & Current Time
Mostly cloudy
|
23°C - 29°C
Weather forecast for your arrival day
-3 hour time difference
Time on arrival: San Francisco 13:09
|
Kailua-Kona 10:09
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