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WN 873 Boston to St. Louis Flight Status

Southwest Airlines Flight WN873 from Boston Logan International Airport BOS to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 29th, 2025.
Check the table below for WN873's most recent flight history:

WN 873 Flight Status & Schedule

Date Departure Arrival Status
Sep 29 15:18 16:43
Landed Late
Track >
Sep 26 15:31 16:58
Landed Late
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Sep 25 16:36 18:08
Delayed
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Sep 22 15:05 16:35
Landed
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Sep 19 15:01 16:22
Landed
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Southwest Airlines WN 873 Boston to St. Louis Flight Information

Southwest Airlines Flight WN873 connects Boston, United States to St. Louis, United States, taking off from Boston Logan International Airport BOS and landing at St. Louis Lambert International Airport STL.

How long is the WN873 flight from Boston to St. Louis?

The average flight time from Boston to St. Louis is 2 hours and 24 minutes. The flight distance is 1680 km / 1044 miles and the average flight speed is 698 km/h / 434 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN873 Boston to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN873 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN873 arriving at?

Flight WN873 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN873 flight?

The latest flight took off on Monday, September 29th, 2025 with the flight status being Landed on 16:43.

How else can the flight WN873 be referenced as?

This Southwest Airlines flight can also be referenced as SWA873, WN0873, WN 873, SWA 873.

How often is flight WN873 delayed?

On average, 70% of all WN873 flights are delayed. The average delay is 34 minutes.

Can I get compensation for my delayed or cancelled WN873 flight or baggage issues?

If your WN873 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 WN873 Flight Tracker above for more details.

WN873 and Boston BOS to St. Louis STL Flights

Other flights departing from Boston BOS: 9K7061, 9K3351, AA1442, AA5942

Other flights arriving at St. Louis STL: AA2286, WN3589, WN1228, WN3203

All flights connecting Boston BOS to St. Louis STL.

WN873 Southwest Airlines Flight: Boston to St. Louis Route Map

WN873 Southwest Airlines Flight Map: Boston to St. Louis
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.