DL 3666 Pasco to Seattle Flight Status

Delta Air Lines Flight DL3666 from Pasco Tri-Cities Airport PSC to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 7th, 2025.
Check the table below for DL3666's most recent flight history:

DL 3666 Flight Status & Schedule

Date Departure Arrival Status
Jun 07 13:02 13:37
Landed
Track >
Jun 06 13:24 14:00
Landed
Track >
Jun 05 13:15 13:50
Landed
Track >
Jun 04 13:09 13:47
Landed
Track >
Jun 03 13:11 13:48
Landed
Track >

Delta Air Lines DL 3666 Pasco to Seattle Flight Information

Delta Air Lines Flight DL3666 connects Pasco, United States to Seattle, United States, taking off from Pasco Tri-Cities Airport PSC and landing at Seattle Tacoma International Airport SEA.

How long is the DL3666 flight from Pasco to Seattle?

The average flight time from Pasco to Seattle is 36 minutes. The flight distance is 276 km / 172 miles and the average flight speed is 455 km/h / 283 mph.

What is the On-Time Performance (OTP) of Delta Air Lines Flight DL3666 Pasco to Seattle?

The Airportia On-Time Performance Rating for Delta Air Lines Flight DL3666 is 4.2/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight DL3666 arriving at?

Flight DL3666 arrives at Seattle Tacoma International Airport (SEA) Terminal B.

When was the latest DL3666 flight?

The latest flight took off on Saturday, June 7th, 2025 with the flight status being Landed on 13:37.

How else can the flight DL3666 be referenced as?

This Delta Air Lines flight can also be referenced as DAL3666, DL 3666, DAL 3666.

How often is flight DL3666 delayed?

On average, 14% of all DL3666 flights are delayed. The average delay is 331 minutes.

Can I get compensation for my delayed or cancelled DL3666 flight or baggage issues?

If your DL3666 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our DL3666 Flight Tracker above for more details.

DL3666 and Pasco PSC to Seattle SEA Flights

Flight DL3666 is code-shared by 4 airlines using the flight numbers AF2360, KL6387, SK3679, VS3495

Other flights departing from Pasco PSC: G42313, AS2028, AS3440, DL4082

Other flights arriving at Seattle SEA: DL1687, WN1490, AS2028, AS2148

All flights connecting Pasco PSC to Seattle SEA.

DL3666 Delta Air Lines Flight: Pasco to Seattle Route Map

DL3666 Delta Air Lines Flight Map: Pasco to Seattle
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.