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WN 3551 St. Louis to Pittsburgh Flight Status

Southwest Airlines Flight WN3551 from St. Louis Lambert International Airport STL to Pittsburgh International Airport PIT is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 5th, 2026.
Check the table below for WN3551's most recent flight history:

WN 3551 Flight Status & Schedule

Date Departure Arrival Status
Jan 05 08:03 10:14
Landed
Track >
Jan 01 18:22 20:34
Landed
Track >
Dec 31 18:13 20:27
Landed
Track >
Dec 25 18:23 20:34
Landed
Track >
Dec 24 18:15 20:26
Landed
Track >

Southwest Airlines WN 3551 St. Louis to Pittsburgh Flight Information

Southwest Airlines Flight WN3551 connects St. Louis, United States to Pittsburgh, United States, taking off from St. Louis Lambert International Airport STL and landing at Pittsburgh International Airport PIT.

How long is the WN3551 flight from St. Louis to Pittsburgh?

The average flight time from St. Louis to Pittsburgh is 1 hour and 12 minutes. The flight distance is 889 km / 552 miles and the average flight speed is 733 km/h / 456 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3551 St. Louis to Pittsburgh?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3551 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN3551 flight?

The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 10:14.

How else can the flight WN3551 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3551, WN 3551, SWA 3551.

How often is flight WN3551 delayed?

On average, 10% of all WN3551 flights are delayed. The average delay is 45 minutes.

Can I get compensation for my delayed or cancelled WN3551 flight or baggage issues?

If your WN3551 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 WN3551 Flight Tracker above for more details.

WN3551 and St. Louis STL to Pittsburgh PIT Flights

Other flights departing from St. Louis STL: WN2710, WN3032, WN2333, WN3721

Other flights arriving at Pittsburgh PIT: NK271, UA5970, G42737, AA4449

All flights connecting St. Louis STL to Pittsburgh PIT.

WN3551 Southwest Airlines Flight: St. Louis to Pittsburgh Route Map

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.