WN4172Southwest Airlines · STL → MCO
live · 5m ago
Route confirmed Southwest Airlines

WN4172 St LouisSTL · 20:20 OrlandoMCO · 20:35

WN4172 by Southwest Airlines flies from St Louis (STL) to Orlando (MCO) for the Sat, Nov 7 departure.

Right nowExpected in Orlando · On Time
20:35

arrival expected at MCO · on schedule

Typical gate push+79 minmedian posted departure
Typical arrival+56 minmedian over 4 operations
Wins back in air~23 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+43+86+129 min
11-06
+63 gate · +36 arrival
11-05
+33 gate · −10 arrival
11-02
+95 gate · +75 arrival
11-01
+129 gate · +105 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
MCOOrlandoOn-time likelyMCO delay board →
STL→MCOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
1.0%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at STL and MCO are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at St Louis

Forecast

Sun 8 Nov, local date

High15°Clikely 14°C to 17°C
Low3°Clikely 2°C to 4°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Orlando

Forecast

Sun 8 Nov, local date

High28°Clikely 26°C to 29°C
Low16°Clikely 15°C to 18°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other St Louis to Orlando flights today

same route · Southwest Airlines
WN1519departs 05:00
WN4622departs 05:00
WN4167departs 05:10
WN2715departs 06:25
WN4126departs 06:45
WN3737departs 07:05

If WN4172 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Orlando on the same day, with scheduled departure times in STL local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN4172 actually runs

Pro Flight Search has tracked every published board update for WN4172 across the STL and MCO boards: schedule changes, gate pushes and actual clocks. Usually lands ~75 min late. Based on 3 confirmed landings · 0/3 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4172 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-06STL 20:20 21:23 (+63)MCO 23:40 00:16 (+36)
11-05STL 20:20 20:53 (+33)MCO 23:40 23:30 (−10)
11-02STL 20:20 21:55 (+95)MCO 23:35 00:50 (+75)
11-01STL 20:20 22:29 (+129)MCO 23:35 01:20 (+105)

Aircraft

Recent tails: N925WN, N451WN, N920WN, N941WN.

Board clocks recorded as STL and MCO published them.

Planning around WN4172? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: WN4172 St Louis to Orlando on-time performance, measured from the STL and MCO airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4172
How we measure this →