| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | MIA | STL | 19:54 | 21:38 |
Landed Late
|
Track > |
| Jan 03 | MIA | STL | 22:02 | 23:34 |
Delayed
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| Jan 02 | MIA | STL | 19:57 | 21:22 |
Landed
|
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| Dec 30 | MIA | STL | 20:26 | 22:02 |
Landed Late
|
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| Dec 29 | MIA | STL | 21:35 | 23:02 |
Delayed
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| Dec 28 | MIA | STL | 20:54 | 22:17 |
Delayed
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| Dec 27 | MIA | STL | 22:06 | 23:32 |
Delayed
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| Dec 26 | MIA | STL | 22:03 | 23:30 |
Delayed
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| Dec 23 | MIA | STL | 20:10 | 21:41 |
Landed Late
|
Track > |
| Dec 22 | MIA | STL | 19:45 | 21:15 |
Landed
|
Track > |
Southwest Airlines Flight WN3645 connects Miami, United States to St. Louis, United States, taking off from Miami International Airport MIA and landing at St. Louis Lambert International Airport STL.
How long is the WN3645 flight from Miami to St. Louis?
The average flight time from Miami to St. Louis is 2 hours and 30 minutes. The flight distance is 1722 km / 1070 miles and the average flight speed is 689 km/h / 428 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3645 Miami to St. Louis?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3645 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3645 arriving at?
Flight WN3645 arrives at St. Louis Lambert International Airport (STL) Terminal 2.
When was the latest WN3645 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 21:38.
How else can the flight WN3645 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3645, WN 3645, SWA 3645.
How often is flight WN3645 delayed?
On average, 90% of all WN3645 flights are delayed. The average delay is 62 minutes.
Can I get compensation for my delayed or cancelled WN3645 flight or baggage issues?
If your WN3645 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 WN3645 Flight Tracker above for more details.
Other flights departing from Miami MIA: AA1093, AA1684, AA2483, DL527
Other flights arriving at St. Louis STL: AA5536, AA5177, WN2684, WN704
All flights connecting Miami MIA to St. Louis STL.