| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 18 | MCI | STL | 14:13 | 19:28 |
Delayed >3h
|
Track > |
| May 18 | MCI | STL | 18:43 | 19:23 |
Landed
|
Track > |
Southwest Airlines Flight WN3904 connects Kansas City, United States to St. Louis, United States, taking off from Kansas City International Airport MCI and landing at St. Louis Lambert International Airport STL.
How long is the WN3904 flight from Kansas City to St. Louis?
The average flight time from Kansas City to St. Louis is 40 minutes. The flight distance is 380 km / 236 miles and the average flight speed is 563 km/h / 350 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3904 Kansas City to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3904 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN3904 flight?
The latest flight took off on Tuesday, May 19th, 2026 with the flight status being Scheduled on 19:22.
How else can the flight WN3904 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3904, WN 3904, SWA 3904.
How often is flight WN3904 delayed?
On average, 0% of all WN3904 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled WN3904 flight or baggage issues?
If your WN3904 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 WN3904 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from Kansas City MCI: WN693, AA3166, AA2267, AA6308
Other flights arriving at St. Louis STL: WN3431, AA2477, AA4658, WN3904
All flights connecting Kansas City MCI to St. Louis STL.