Singapore Airlines SQ1234 flight status now

SQ1234 - SIA1234 Singapore Airlines (SQ)
SEA Seattle United States
Flight SEA to IAD
IAD Dulles United States
Contact Airlines It may not operate on the date requested
Departure Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 16:20
None N2
Arrival Washington Dulles International Airport
IATA: IADICAO: KIAD
Scheduled 00:23
None B65
SQ1234 Detail
  • Type: Domestic Flight
  • Flight Duration: 5 hours 4 minutes
  • Flight Distance: 3710 kms / 2305 miles
Airline
  • Singapore Airlines
  • IATA: SQ
  • ICAO: SIA
  • Operating Days: Tuesday, 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/Los_Angeles
  • Arrival Timezone: America/New_York
  • Current Time in Seattle: Monday 2025-11-17 05:56 AM
  • Current Time in Dulles: Monday 2025-11-17 08:56 AM

Domestic flight Singapore Airlines SQ1234 takes off from Seattle (SEA) United States to Dulles (IAD) United States. It's operated by Singapore Airlines. The plane leaves Seattle International Airport at 16:20 America/Los_Angeles. The flight is expected to land at Washington Dulles International Airport at 00:23 America/New_York. The flight will last about 5 hours 4 minutes.

Similar flight route from Seattle (SEA) to Dulles (IAD)

Airline Flight no Departure Arrival
Hawaiian Airlines HA6718
Hawaiian Airlines 		17/11/2025
22:29 		4 hours 54 minutes
06:23
Delta DL541
Delta 		17/11/2025
16:59 		4 hours 55 minutes
00:54
United Airlines UA2217
United Airlines 		17/11/2025
08:00 		5 hours 7 minutes
16:07
Alaska Airlines AS436
Alaska Airlines 		17/11/2025
08:44 		4 hours 54 minutes
16:40
Austrian Airlines OS7908
Austrian Airlines 		17/11/2025
08:00 		4 hours 42 minutes
16:07
Qatar Airways QR2172
Qatar Airways 		17/11/2025
08:44 		4 hours 56 minutes
16:40
Avianca AV2029
Avianca 		17/11/2025
08:00 		5 hours 7 minutes
16:07
Japan Airlines JL5440
Japan Airlines 		17/11/2025
22:29 		4 hours 54 minutes
06:23

Frequently asked questions, answered

How long is the flight from Seattle to Dulles?

On average, nonstop flight takes 5 hour(s) 4 minutes, with the flight distance of 3710 km (2305 miles).

What type of aircraft is used for the Singapore Airlines SQ1234 flight?

All Singapore Airlines SQ1234 flights are operated using Boeing 737-900 Passenger (Scimitar Winglets) aircraft.

How many Singapore Airlines SQ1234 flights are operated a week?

6 flights per week. The Flight Singapore Airlines SQ1234 is operated on Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.