| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | STL | PHL | 15:43 | 18:31 |
Landed Late
|
Track > |
| Jan 03 | STL | PHL | 07:52 | 10:34 |
Landed
|
Track > |
| Jan 02 | STL | PHL | 15:46 | 18:25 |
Landed Late
|
Track > |
| Dec 30 | STL | PHL | 15:25 | 18:26 |
Landed Late
|
Track > |
| Dec 29 | STL | PHL | 14:43 | 17:31 |
Landed
|
Track > |
| Dec 28 | STL | PHL | 14:49 | 17:33 |
Landed
|
Track > |
| Dec 27 | STL | PHL | 07:56 | 10:32 |
Landed
|
Track > |
| Dec 26 | STL | PHL | 15:11 | 17:53 |
Landed
|
Track > |
| Dec 23 | STL | PHL | 14:45 | 17:31 |
Landed
|
Track > |
| Dec 22 | STL | PHL | 14:53 | 17:37 |
Landed
|
Track > |
Southwest Airlines Flight WN1991 connects St. Louis, United States to Philadelphia, United States, taking off from St. Louis Lambert International Airport STL and landing at Philadelphia International Airport PHL.
How long is the WN1991 flight from St. Louis to Philadelphia?
The average flight time from St. Louis to Philadelphia is 1 hour and 45 minutes. The flight distance is 1306 km / 811 miles and the average flight speed is 749 km/h / 465 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1991 St. Louis to Philadelphia?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1991 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1991 arriving at?
Flight WN1991 arrives at Philadelphia International Airport (PHL) Terminal E.
When was the latest WN1991 flight?
The latest flight took off on Sunday, January 4th, 2026 with the flight status being Landed on 18:31.
How else can the flight WN1991 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1991, WN 1991, SWA 1991.
How often is flight WN1991 delayed?
On average, 40% of all WN1991 flights are delayed. The average delay is 33 minutes.
Can I get compensation for my delayed or cancelled WN1991 flight or baggage issues?
If your WN1991 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 WN1991 Flight Tracker above for more details.
Other flights departing from St. Louis STL: WN4854, WN2134, WN1353, WN2679
Other flights arriving at Philadelphia PHL: AA1871, AA2609, AA4397, AA5989
All flights connecting St. Louis STL to Philadelphia PHL.