Singapore Airlines SQ1235 flight status now

SQ1235 - SIA1235 Singapore Airlines (SQ)
IAD Dulles United States
Flight IAD to SEA
SEA Seattle United States
Contact Airlines It may not operate on the date requested
Departure Washington Dulles International Airport
IATA: IADICAO: KIAD
Scheduled 18:48
None B65
Arrival Seattle International Airport
IATA: SEAICAO: KSEA
Scheduled 21:55
None N12
SQ1235 Detail
  • Type: Domestic Flight
  • Flight Duration: 6 hours 7 minutes
  • Flight Distance: 3710 kms / 2305 miles
Airline
  • Singapore Airlines
  • IATA: SQ
  • ICAO: SIA
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
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/New_York
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Dulles: Monday 2025-11-17 19:14 PM
  • Current Time in Seattle: Monday 2025-11-17 16:14 PM

Domestic flight Singapore Airlines SQ1235 takes off from Dulles (IAD) United States to Seattle (SEA) United States. It's operated by Singapore Airlines. The plane leaves Washington Dulles International Airport at 18:48 America/New_York. The flight is expected to land at Seattle International Airport at 21:55 America/Los_Angeles. The flight will last about 6 hours 7 minutes.

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

Airline Flight no Departure Arrival
Hawaiian Airlines HA4836
Hawaiian Airlines 		17/11/2025
18:13 		5 hours 59 minutes
21:12
Qatar Airways QR2990
Qatar Airways 		17/11/2025
18:13 		5 hours 59 minutes
21:12
Qatar Airways QR8811
Qatar Airways 		17/11/2025
07:43 		5 hours 54 minutes
10:35
United Airlines UA326
United Airlines 		17/11/2025
17:55 		5 hours 59 minutes
20:54
Alaska Airlines AS9801
Alaska Airlines 		17/11/2025
07:15 		5 hours 38 minutes
09:53
American Airlines AA9287
American Airlines 		17/11/2025
18:13 		5 hours 59 minutes
21:12
Ethiopian Airlines ET1368
Ethiopian Airlines 		17/11/2025
17:55 		5 hours 59 minutes
20:54
Alaska Airlines AS351
Alaska Airlines 		17/11/2025
07:43 		5 hours 52 minutes
10:35

Frequently asked questions, answered

How long is the flight from Dulles to Seattle?

On average, nonstop flight takes 6 hour(s) 7 minutes, with the flight distance of 3710 km (2305 miles).

What type of aircraft is used for the Singapore Airlines SQ1235 flight?

All Singapore Airlines SQ1235 flights are operated using Boeing 737-900 Passenger (Scimitar Winglets) aircraft.

How many Singapore Airlines SQ1235 flights are operated a week?

6 flights per week. The Flight Singapore Airlines SQ1235 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.