United Airlines UA1721 Flight Status Today

Domestic flight United Airlines UA1721 takes off from San Francisco (SFO) United States to Kailua-Kona (KOA) United States. It's operated by United Airlines. The plane leaves San Francisco International Airport at 09:00 21 January 2026 America/Los_Angeles. The flight is expected to land at Kona International Airport at Keahole at 12:57 21 January 2026 Pacific/Honolulu. The flight will last about 4 hours 59 minutes.

Current status of UA1721 is Arrived Delayed by 34m

UA1721 - UAL1721 United Airlines (UA)
SFO San Francisco United States
Flight SFO to KOA
KOA Kailua-Kona United States
Arrived Delayed by 34m
Departure San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 09:00 21 January 2026
Actual 10:32 21 January 2026
3 F17
Arrival Kona International Airport at Keahole
IATA: KOAICAO: PHKO
Scheduled 12:57 21 January 2026
Actual 13:31 21 January 2026
1 2
UA1721 Detail
  • Type: Domestic Flight
  • Code Shares: AC 3529, AV 2356, AZ 4387
  • Flight Duration: 4 hours 59 minutes
  • Flight Distance: 3808 kms / 2366 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 167
  • Freight capacity: 17.1 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 757-300 (winglets) Passenger
  • Callsign: F-SAT6
  • Departure Timezone: America/Los_Angeles
  • Arrival Timezone: Pacific/Honolulu
  • Current Time in San Francisco: Wednesday 2026-01-21 19:46 PM
  • Current Time in Kailua-Kona: Wednesday 2026-01-21 17:46 PM

United Airlines UA1721 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA1721
AIRPLANE Boeing 757-300 (winglets) Passenger
ON TIME 11
DELAYED 3
CANCELLED 0
ON TIME 25
DELAYED 5
CANCELLED 0
ON TIME 49
DELAYED 11
CANCELLED 0
ON TIME 66
DELAYED 18
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA1721 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Wed 21 Jan
Scheduled On time
San Francisco (SFO) 2026-01-21T09:00
Kailua-Kona (KOA) 2026-01-21T12:57
Tue 20 Jan
Arrived On time
San Francisco (SFO) 2026-01-20T09:00
Kailua-Kona (KOA) 2026-01-20T12:57
2026-01-20T08:52
2026-01-20T12:03
Mon 19 Jan
Arrived On time
San Francisco (SFO) 2026-01-19T09:00
Kailua-Kona (KOA) 2026-01-19T12:57
2026-01-19T09:11
2026-01-19T12:31
Sun 18 Jan
Arrived On time
San Francisco (SFO) 2026-01-18T09:00
Kailua-Kona (KOA) 2026-01-18T12:57
2026-01-18T08:56
2026-01-18T12:21
Sat 17 Jan
Arrived On time
San Francisco (SFO) 2026-01-17T09:00
Kailua-Kona (KOA) 2026-01-17T12:57
2026-01-17T09:13
2026-01-17T12:58
Fri 16 Jan
Arrived On time
San Francisco (SFO) 2026-01-16T09:00
Kailua-Kona (KOA) 2026-01-16T12:57
2026-01-16T08:57
2026-01-16T12:28
Thu 15 Jan
Arrived On time
San Francisco (SFO) 2026-01-15T09:00
Kailua-Kona (KOA) 2026-01-15T12:57
2026-01-15T08:56
2026-01-15T12:26
Wed 14 Jan
Arrived On time
San Francisco (SFO) 2026-01-14T09:00
Kailua-Kona (KOA) 2026-01-14T12:57
2026-01-14T08:55
2026-01-14T12:35
Tue 13 Jan
Arrived On time
San Francisco (SFO) 2026-01-13T09:00
Kailua-Kona (KOA) 2026-01-13T12:57
2026-01-13T08:58
2026-01-13T12:51
Mon 12 Jan
Arrived On time
San Francisco (SFO) 2026-01-12T09:00
Kailua-Kona (KOA) 2026-01-12T12:57
2026-01-12T09:02
2026-01-12T12:22

Flight routes similar to United Airlines UA1721

Airline Flight no Departure Arrival
United Airlines UA2229
United Airlines 		21/01/2026
10:50 		5 hours 33 minutes
14:44
Hawaiian Airlines HA7789
Hawaiian Airlines 		21/01/2026
07:00 		5 hours 44 minutes
10:44
Air Canada AC3529
Air Canada 		21/01/2026
09:00 		5 hours 57 minutes
12:57
Air Canada AC3528
Air Canada 		21/01/2026
10:50 		5 hours 54 minutes
14:44
Lufthansa LH8584
Lufthansa 		21/01/2026
07:30 		5 hours 13 minutes
11:24
Avianca AV2356
Avianca 		21/01/2026
07:30 		6 hours 15 minutes
11:24
Lufthansa LH8594
Lufthansa 		21/01/2026
16:45 		5 hours 51 minutes
20:36
Qatar Airways QR3396
Qatar Airways 		21/01/2026
07:00 		5 hours 13 minutes
10:34

United Airlines Flight UA1721 FAQs

What is the scheduled flight duration for United Airlines UA1721 flight?

On average, nonstop flight takes 4 hour(s) 59 minutes, with the flight distance of 3808 km (2366 miles).

What is the current status of United Airlines UA1721 flight?

The current status of flight United Airlines UA1721 is Arrived Delayed by 34m.

What type of aircraft is used for the United Airlines UA1721 flight?

All United Airlines UA1721 flights are operated using Boeing 757-300 (winglets) Passenger aircraft.

When does the flight United Airlines UA1721 arrive?

Flight United Airlines UA1721 arrives at 12:57.

Which terminal the flight United Airlines UA1721 is arriving at?

Flight United Airlines UA1721 arrives in Kona International Airport at Keahole at Terminal 1.

How many United Airlines UA1721 flights are operated a week?

7 flights per week. The Flight United Airlines UA1721 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .