WN1172Southwest Airlines · BWI → STL
live · 2h 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
21:10

scheduled from BWI

⚖ WN1172 typically leaves +19 and lands −12. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-16
+6 gate · −28 arrival
10-15
+22 gate · −12 arrival
10-14
+10 gate · −21 arrival
10-13
+54 gate · +22 arrival
10-12
+26 gate · −12 arrival
10-11
+54 gate · +25 arrival
10-09
+6 gate · −28 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 −12 min · 0 cancelled · 13 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

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
0.9%Chance of cancellation
+9 minAvg hub delay right now

Conditions at BWI and STL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →

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
WN1241departs 08:20
WN3589departs 09:15
WN1895departs 10:20
WN2112departs 12:45
WN1071departs 15:05

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 posting a delay still operate — rebooking usually only beats a very large posted delay. 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 ~7 min early. Based on 13 confirmed landings · 8/13 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
10-16BWI 22:00 22:06 (+6)STL 23:20 22:52 (−28)
10-15BWI 22:00 22:22 (+22)STL 23:20 23:08 (−12)
10-14BWI 21:10 21:20 (+10)STL 22:30 22:09 (−21)
10-13BWI 21:10 22:04 (+54)STL 22:30 22:52 (+22)
10-12BWI 22:00 22:26 (+26)STL 23:20 23:08 (−12)
10-11BWI 22:40 23:34 (+54)STL 23:55 00:20 (+25)
10-09BWI 22:00 22:06 (+6)STL 23:20 22:52 (−28)
10-08BWI 22:00 22:13 (+13)STL 23:20 23:06 (−14)
10-07BWI 21:10 21:57 (+47)STL 22:30 22:45 (+15)
10-06BWI 21:10 21:24 (+14)STL 22:30 22:14 (−16)
10-05BWI 22:00 22:19 (+19)STL 23:20 23:41 (+21)
10-04BWI 22:40 23:22 (+42)STL 23:55 00:04 (+9)
10-02BWI 22:00 22:11 (+11)STL 23:15 23:43 (+28)

Aircraft

Recent tails: N8815L, N8795L, N8729H, N8857Q.

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 →