WN4127Southwest Airlines · STL → SRQ
updated 4h ago
Route confirmed Southwest Airlines

WN4127 St LouisSTL · 14:55 Sarasota/BradentonSRQ · 18:10

WN4127 by Southwest Airlines flies from St Louis (STL) to Sarasota/Bradenton (SRQ).

Right nowNext departure today Operates daily
14:55

scheduled from STL

Typical gate push+22 minmedian posted departure
Typical arrival+8 minmedian over 6 operations
Wins back in air~14 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
11-05
+22 gate · +7 arrival
10-30
+46 gate · +35 arrival
10-29
+22 gate · +7 arrival
10-26
+19 gate · +9 arrival
10-23
+40 gate · +18 arrival
10-22
+20 gate · +2 arrival

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

The last 30 days

arrival outcome per operation

median arrival +8 min · 0 cancelled · 6 operations tracked

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
SRQSarasota/BradentonOn-time likelySRQ delay board →
STL→SRQevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
1.3%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at STL and SRQ 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

Fri 6 Nov, local date

High11°Clikely 10°C to 14°C
Low7°Clikely 5°C to 10°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 Sarasota/Bradenton

Forecast

Fri 6 Nov, local date

High29°Clikely 28°C to 30°C
Low23°Clikely 21°C to 24°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 Sarasota/Bradenton flights today

same route · Southwest Airlines
WN3541departs 08:30
WN3795departs 14:00
WN1807departs 14:05
WN3951departs 14:45
WN2585departs 18:10

If WN4127 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Sarasota/Bradenton 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 WN4127 actually runs

Pro Flight Search has tracked every published board update for WN4127 across the STL and SRQ boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min late. Based on 6 confirmed landings · 4/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4127 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
11-05STL 14:55 15:17 (+22)SRQ 18:10 18:17 (+7)
10-30STL 14:55 15:41 (+46)SRQ 18:10 18:45 (+35)
10-29STL 14:55 15:17 (+22)SRQ 18:10 18:17 (+7)
10-26STL 14:55 15:14 (+19)SRQ 18:10 18:19 (+9)
10-23STL 14:55 15:35 (+40)SRQ 18:10 18:28 (+18)
10-22STL 14:55 15:15 (+20)SRQ 18:10 18:12 (+2)

Aircraft

Recent tails: N278WN, N441WN, N244WN, N7868K.

Board clocks recorded as STL and SRQ published them.

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: WN4127 St Louis to Sarasota/Bradenton on-time performance, measured from the STL and SRQ airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4127
How we measure this →