| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | STL | MIA | 13:51 | 17:34 |
Landed
|
Track > |
| Apr 05 | STL | MIA | 22:05 | 01:18 |
Landed Late
|
Track > |
| Apr 04 | STL | MIA | 14:55 | 18:12 |
Landed
|
Track > |
| Apr 03 | STL | MIA | 13:57 | 17:16 |
Landed
|
Track > |
| Apr 02 | STL | MIA | 13:51 | 17:21 |
Landed
|
Track > |
| Apr 01 | STL | MIA | 16:39 | 20:05 |
Landed
|
Track > |
| Mar 31 | STL | MIA | 16:26 | 19:46 |
Landed
|
Track > |
| Mar 30 | STL | MIA | 14:04 | 18:05 |
Landed Late
|
Track > |
| Mar 29 | STL | MIA | 21:51 | 01:02 |
Landed Late
|
Track > |
| Mar 28 | STL | MIA | 15:02 | 18:18 |
Landed
|
Track > |
Southwest Airlines Flight WN4550 connects St. Louis, United States to Miami, United States, taking off from St. Louis Lambert International Airport STL and landing at Miami International Airport MIA.
How long is the WN4550 flight from St. Louis to Miami?
The average flight time from St. Louis to Miami is 2 hours and 25 minutes. The flight distance is 1722 km / 1070 miles and the average flight speed is 716 km/h / 445 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4550 St. Louis to Miami?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4550 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4550 arriving at?
Flight WN4550 arrives at Miami International Airport (MIA) Terminal S.
When was the latest WN4550 flight?
The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 17:34.
How else can the flight WN4550 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4550, WN 4550, SWA 4550.
How often is flight WN4550 delayed?
On average, 40% of all WN4550 flights are delayed. The average delay is 29 minutes.
Can I get compensation for my delayed or cancelled WN4550 flight or baggage issues?
If your WN4550 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 WN4550 Flight Tracker above for more details.
Other flights departing from St. Louis STL: AA3162, WN1387, WN2390, WN1712
Other flights arriving at Miami MIA: AA2443, AA1770, AA346, AA342
All flights connecting St. Louis STL to Miami MIA.