WN1172Southwest Airlines · BWI → STL
live · 14m ago
Route confirmed Southwest Airlines

WN1172 BaltimoreBWI · 22:00 St LouisSTL · 23:20

WN1172 by Southwest Airlines flies from Baltimore (BWI) to St Louis (STL).

Right nowNext departure today Operates daily
17:30

scheduled from BWI

⚖ WN1172 typically leaves +16 and lands −16. The air wins minutes back.
Typical gate push+16 minmedian posted departure
Typical arrival−16 minmedian over 8 operations
Wins back in air~32 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+34+67+101 min
11-06
+9 gate · −19 arrival
10-30
+9 gate · −19 arrival
10-29
+63 gate · +30 arrival
10-28
+8 gate · −17 arrival
10-27
+15 gate · −16 arrival
10-26
+16 gate · −21 arrival
10-25
+101 gate · +66 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 −16 min · 0 cancelled · 8 operations tracked

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
STLSt LouisOn-time likelySTL delay board →
BWI→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
40%Chance of 15+ min delay
0.3%Chance of cancellation
+10 minTypical airport delay in this weather

Driven mainly by STL (St Louis), currently flying MVFR (marginal visual). 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 Baltimore

Forecast

Sat 7 Nov, local date

High15°Clikely 13°C to 18°C
Low8°Clikely 5°C to 11°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 St Louis

Forecast

Fri 6 Nov, local date

High12°Clikely 11°C to 13°C
Low7°Clikely 5°C to 8°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 Baltimore to St Louis flights today

same route · Southwest Airlines
WN1169departs 06:30
WN724departs 07:50
WN3589departs 09:15
WN1895departs 10:20
WN725departs 10:20
WN2730departs 13:20

If WN1172 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to St Louis on the same day, with scheduled departure times in BWI 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 WN1172 actually runs

Pro Flight Search has tracked every published board update for WN1172 across the BWI and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 8 confirmed landings · 5/8 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN1172 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
11-06BWI 22:00 22:09 (+9)STL 23:20 23:01 (−19)
10-30BWI 22:00 22:09 (+9)STL 23:20 23:01 (−19)
10-29BWI 22:00 23:03 (+63)STL 23:20 23:50 (+30)
10-28BWI 21:10 21:18 (+8)STL 22:30 22:13 (−17)
10-27BWI 21:10 21:25 (+15)STL 22:30 22:14 (−16)
10-26BWI 22:00 22:16 (+16)STL 23:20 22:59 (−21)
10-25BWI 22:40 00:21 (+101)STL 23:55 01:01 (+66)
10-23BWI 22:00 22:54 (+54)STL 23:20 23:35 (+15)

Aircraft

Recent tails: N8870K, N8856S, N8953Q, N9016S.

Board clocks recorded as BWI and STL 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: WN1172 Baltimore to St Louis on-time performance, measured from the BWI and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1172
How we measure this →