WN4742Southwest Airlines · BWI → BUF
live · 4m ago
Route confirmed Southwest Airlines

WN4742 BaltimoreBWI BuffaloBUF · 00:10

WN4742 by Southwest Airlines flies from Baltimore (BWI) to Buffalo (BUF).

Right nowNext departure tomorrow Operates daily
21:05

scheduled from BWI

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
BUFBuffaloOn-time likelyBUF delay board →
BWI→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
0.8%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at BWI and BUF 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

Sat 14 Nov, local date

High10°Clikely 9°C to 11°C
Low2°Clikely 0°C to 3°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 Buffalo

Forecast

Sat 14 Nov, local date

High5°Clikely 4°C to 6°C
Low2°Clikely 1°C to 3°C
  • 68% chance of snow
  • 92% 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 Buffalo flights today

same route · Southwest Airlines
WN8804departs 06:30
WN1963departs 06:35
WN3679departs 06:35
WN1316departs 07:05
WN3865departs 07:10
WN4981departs 07:10

If WN4742 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Buffalo 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 WN4742 actually runs

Pro Flight Search has tracked every published board update for WN4742 across the BWI and BUF boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed +12 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4742 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 BUF 00:10 00:21 (+11)

Aircraft

Recent tails: N9011H.

Board clocks recorded as BWI and BUF 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: WN4742 Baltimore to Buffalo on-time performance, measured from the BWI and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4742
How we measure this →