United Airlines UA1721 Flight status
According to Trip.com real-time data, the UA1721 flight operated by United Airlines on Oct 23, 2026 is scheduled to fly from San Francisco (SFO) to Kailua-Kona (KOA). The flight is expected to depart at 08:10 (local time in San Francisco, UTC-7) and arrive at 10:02 (local time in Kailua-Kona, UTC-10) .
Thu, Oct 22
Fri, Oct 23
Sat, Oct 24
Access more flight status info on the Trip.com app
Show more
Arrived
The flight has arrived 4m late
5h 33m
Check-in Counter
--
Boarding Gate
E10
Arrival Gate
2
Baggage
A1
Need a flight from San Francisco to Kailua-Kona?
United Airlines From THB 9,530
Search flights Access more flight status info on the Trip.com app
Show more
Scheduled
Your flight will depart on time.
5h 33m
Check-in Counter
--
Boarding Gate
F21
Arrival Gate
--
Baggage
A1
Need a flight from San Francisco to Kailua-Kona?
United Airlines From THB 9,530
Search flights Access more flight status info on the Trip.com app
Show more
Scheduled
Your flight will depart on time.
5h 33m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
A1
Need a flight from San Francisco to Kailua-Kona?
United Airlines From THB 9,530
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
UA2330
|
Dallas (DFW)
San Francisco (SFO)
San Francisco (SFO)
Scheduled: 21:50
fake text
Track incoming flight status with our app
Show more
UA1721 Aircraft Details
According to Trip.com real-time data, the UA1721 flight from San Francisco to Kailua-Kona on 10/23/2026 is operated using the aircraft model Boeing 737-900. This aircraft has been in service for 10m. The aircraft has 166 seats.
Boeing 737-900
Punctuality (Departure)
87
%
Punctuality (Arrival)
97
%
Early on average
19 minutes
Age
10m
Seats
166
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
Seat Information
76 cm
Legroom
43 cm
Seat width better than on 50% of flights
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
53 cm
Seat width better than on 60% of flights
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
86 cm
Legroom
43 cm
Seat width
100°
Reclining Angle
--
Seat layout example
See more amenities and seat info in the app
Show more
Flight History for UA1721
Trip.com historical records show that the last UA1721 flight departed on Thu, Oct 22 from SFO at approximately 08:45. This flight is expected to arrrive in KOA at 10:47.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Oct 18 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 08:14 | 10:15 | Arrived |
| Mon, Oct 19 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 08:39 | 10:33 | Arrived |
| Tue, Oct 20 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 08:26 | 10:07 | Arrived |
| Wed, Oct 21 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 08:38 | 10:13 | Arrived |
| Thu, Oct 22 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 08:45 | 10:47 | Arrived |
| Fri, Oct 23 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 08:10 | 10:02 | Scheduled |
| Sat, Oct 24 | San Francisco (SFO) | Kailua-Kona (KOA) | B39M | 08:10 | 10:43 | Scheduled |
text.text............fake.row.text............text.........fake row
...text
Check upcoming flights with our app
Show more
UA1721 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA1721 is 87% (Late on average 21 minutes), and the on-time arrival rate is 97% (Early on average 19 minutes).
On-Time Departures
Punctuality
87
%
Late on average
21 minutes
Early
0
%
On time
87
%
30 mins late
10
%
60 mins late
0
%
90 mins late
3
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
19 minutes
Early
90
%
On time
7
%
30 mins late
0
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
Need a flight from San Francisco to Kailua-Kona?
- From San Francisco
- To Kailua-Kona
- Return flights
More Cheap Flights
More Cheap Flights
More Cheap Flights
Recommended hotels in Kailua-Kona
Hotels near Ellison Onizuka Kona International Airport
Hotels near Kailua-Kona
9.9/10
36 Reviews
Modern Ocean View · Kings · Spacious · Porch · ACs
Kalaoa | 4.86 km from the airport
THB 11,783
9.9/10
82 Reviews
Mango Sunset Bed and Breakfast
Kalaoa | 7.26 km from the airport
THB 8,426
9.5/10
79 Reviews
Four Seasons Resort Hualalai
11.43 km from the airport
THB 40,519
8.5/10
112 Reviews
Courtyard by Marriott King Kamehameha's Kona Beach Hotel
Kona | 11.54 km from the airport
THB 9,933
9.2/10
1 Reviews
Hale O Aloha Handicap Accessible Gem in Kona!
0.18 km from city centre
THB 14,998
6.4/10
19 Reviews
Kona Islander Inn Condos
Kona | 0.75 km from city centre
THB 6,728
7.5/10
4 Reviews
Tropical Kailua-Kona Escape < 7 Mi to Keauhou Bay!
Kona | 0.81 km from city centre
THB 7,092
8.4/10
203 Reviews
OUTRIGGER Kona Resort and Spa
1.26 km from city centre
12% off
THB 12,506 THB 11,045
Flight FAQs
What is the current status of flight ua1721?
Flight ua1721 has not departed yet and is currently on schedule. Scheduled departure 08:10, arrival 10:43 (updated Oct 23, 2026).Is flight ua1721 on time today?
Flight ua1721 has not departed yet and is currently on schedule. Scheduled departure is 08:10, with arrival at 10:43. 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 08:10. The latest actual or estimated departure time is 08:10, and the current status is Scheduled (updated Oct 23, 2026).When is flight ua1721 scheduled to arrive?
Flight ua1721 is scheduled to arrive at 10:43. The latest estimated or actual arrival time is 10:02. Status is Scheduled as of Oct 23, 2026.What is the gate information for flight ua1721?
For flight ua1721, the departure terminal is T3 and the boarding gate is F21. 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 hours 33 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 23, 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 08:10.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.
Kailua-Kona Vacation Packages: Cheap Flights, Hotels & Tours
Hotels
Airport Transfers
Tours & Tickets
Arrival Info: Kailua-Kona Weather & Current Time
Clear
|
22°C - 28°C
Weather forecast for your arrival day
-3 hour time difference
Time on arrival: San Francisco 13:02
|
Kailua-Kona 10:02
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