Singapore Airlines SQ1721 Flight Status Today

Domestic flight Singapore Airlines SQ1721 takes off from Phoenix (PHX) United States to Seattle (SEA) United States. It's operated by Singapore Airlines. The plane leaves Phoenix Sky Harbor International Airport at 20:49 America/Phoenix. The flight is expected to land at Seattle International Airport at 23:59 America/Los_Angeles. The flight will last about 3 hours 10 minutes.

SQ1721 - SIA1721 Singapore Airlines (SQ)
PHX Phoenix United States
Flight PHX to SEA
SEA Seattle United States
Contact Airlines It may not operate on the date requested
Departure Phoenix Sky Harbor International Airport
IATA: PHXICAO: KPHX
Scheduled 20:49
3 E2
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 23:59
None D2
SQ1721 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 10 minutes
  • Flight Distance: 1781 kms / 1106 miles
Airline
  • Singapore Airlines
  • IATA: SQ
  • ICAO: SIA
  • Operating Days: Monday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: None
  • Seats: None
  • Freight capacity: None
  • Passenger classes: None
More Detail
  • Aircraft: Boeing 737-900 Passenger (Scimitar Winglets)
  • Callsign: None
  • Departure Timezone: America/Phoenix
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Phoenix: Tuesday 2026-03-03 20:50 PM
  • Current Time in Seattle: Tuesday 2026-03-03 19:50 PM

Flight routes similar to Singapore Airlines SQ1721

Airline Flight no Departure Arrival
Jambojet JX7017
Jambojet 		03/03/2026
19:11 		3 hours 16 minutes
21:27
Delta DL2447
Delta 		03/03/2026
14:42 		3 hours 3 minutes
16:59
Qatar Airways QR2185
Qatar Airways 		03/03/2026
08:20 		3 hours 22 minutes
10:39
Hawaiian Airlines HA6440
Hawaiian Airlines 		03/03/2026
19:11 		3 hours 16 minutes
21:27
Delta DL2419
Delta 		03/03/2026
12:01 		2 hours 58 minutes
14:18
Hawaiian Airlines HA6442
Hawaiian Airlines 		03/03/2026
08:20 		3 hours 22 minutes
10:39
Alaska Airlines AS609
Alaska Airlines 		03/03/2026
20:56 		3 hours 16 minutes
23:12
Jambojet JX7015
Jambojet 		03/03/2026
20:56 		3 hours 16 minutes
23:12

Singapore Airlines Flight SQ1721 FAQs

What is the scheduled flight duration for Singapore Airlines SQ1721 flight?

On average, nonstop flight takes 3 hour(s) 10 minutes, with the flight distance of 1781 km (1106 miles).

What type of aircraft is used for the Singapore Airlines SQ1721 flight?

All Singapore Airlines SQ1721 flights are operated using Boeing 737-900 Passenger (Scimitar Winglets) aircraft.

How many Singapore Airlines SQ1721 flights are operated a week?

6 flights per week. The Flight Singapore Airlines SQ1721 is operated on Monday, Wednesday, Thursday, Friday, Saturday, Sunday.