WN1643Southwest Airlines · BWI → MDW
live · 8m ago
Route confirmed Southwest Airlines

WN1643 BaltimoreBWI · 18:55 ChicagoMDW · 19:55

WN1643 by Southwest Airlines flies from Baltimore (BWI) to Chicago (MDW).

Right nowNext departure today Operates daily
18:55

scheduled from BWI

Typical gate push+32 minmedian posted departure
Typical arrival+5 minmedian over 4 operations
Wins back in air~27 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-30
+17 gate · −6 arrival
10-29
+25 gate · −1 arrival
10-26
+38 gate · +14 arrival
10-23
+32 gate · +10 arrival
10-22
+42 gate

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 +5 min · 0 cancelled · 5 operations tracked

The route today

live boards
BWIBaltimoreOn-time likelyBWI delay board →
MDWChicagoOn-time likelyMDW delay board →
BWI→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
0.8%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at BWI and MDW 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

Wed 4 Nov, local date

High23°Clikely 21°C to 24°C
Low10°Clikely 8°C to 12°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 Chicago

Forecast

Wed 4 Nov, local date

High19°Clikely 17°C to 20°C
Low12°Clikely 10°C to 15°C
  • 96% chance of rain

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 Chicago flights today

same route · Southwest Airlines
WN1067departs 06:15
WN323departs 07:35
WN1070departs 07:50
WN1071departs 09:00
WN320departs 10:20
WN3140departs 12:20

If WN1643 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Chicago 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 WN1643 actually runs

Pro Flight Search has tracked every published board update for WN1643 across the BWI and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 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 WN1643 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
10-30BWI 18:55 19:12 (+17)MDW 19:55 19:49 (−6)
10-29BWI 18:55 19:20 (+25)MDW 19:55 19:54 (−1)
10-26BWI 18:55 19:33 (+38)MDW 19:55 20:09 (+14)
10-23BWI 18:55 19:27 (+32)MDW 19:55 20:05 (+10)
10-22BWI 18:55 19:37 (+42)MDW

Aircraft

Recent tails: N8790Q, N8864H, N8861Q, N8858K.

Board clocks recorded as BWI and MDW 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: WN1643 Baltimore to Chicago on-time performance, measured from the BWI and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1643
How we measure this →