WN1171Southwest Airlines · BWI → STL
live · 10m ago
Route confirmed Southwest Airlines

WN1171 BaltimoreBWI · 22:45 St LouisSTL · 00:10

WN1171 by Southwest Airlines flies from Baltimore (BWI) to St Louis (STL).

Right nowNext departure today Operates daily
22:45

scheduled from BWI

Typical gate push+48 minmedian posted departure
Typical arrival+9 minmedian over 7 operations
Wins back in air~39 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+46+93+139 min
11-12
+39 gate · +9 arrival
11-09
+56 gate · +20 arrival
11-08
+48 gate · +6 arrival
11-06
+66 gate · +25 arrival
11-05
+37 gate · +3 arrival
11-02
+23 gate · −15 arrival
11-01
+139 gate · +105 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 +9 min · 0 cancelled · 7 operations tracked

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
STLSt LouisHigh riskSTL 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
0.6%Chance of cancellation
+8 minTypical airport delay in this weather

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. 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

Sun 15 Nov, local date

High12°Clikely 11°C to 13°C
Low4°Clikely 2°C to 5°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

Sun 15 Nov, local date

High11°Clikely 9°C to 12°C
Low−1°Clikely −2°C to 0°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 06:15
WN3589departs 09:15
WN1895departs 10:20
WN2730departs 13:20
WN866departs 17:50
WN2222departs 19:40

If WN1171 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 WN1171 actually runs

Pro Flight Search has tracked every published board update for WN1171 across the BWI and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min late. Based on 7 confirmed landings · 4/7 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 WN1171 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
11-12BWI 22:45 23:24 (+39)STL 23:58 00:07 (+9)
11-09BWI 22:45 23:41 (+56)STL 00:05 00:25 (+20)
11-08BWI 22:45 23:33 (+48)STL 00:10 00:16 (+6)
11-06BWI 22:45 23:51 (+66)STL 00:10 00:35 (+25)
11-05BWI 22:45 23:22 (+37)STL 00:10 00:13 (+3)
11-02BWI 22:45 23:08 (+23)STL 00:05 23:50 (−15)
11-01BWI 22:45 01:04 (+139)STL 00:05 01:50 (+105)

Aircraft

Recent tails: N9000D, N8932Q, N8948Q, N8733M.

Board clocks recorded as BWI and STL published them.

Planning around WN1171? 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: WN1171 Baltimore to St Louis on-time performance, measured from the BWI and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1171
How we measure this →