WN1502Southwest Airlines · MDW → BUF
live · 57m ago
Route confirmed Southwest Airlines

WN1502 ChicagoMDW · 18:20 BuffaloBUF · 20:55

WN1502 by Southwest Airlines flies from Chicago (MDW) to Buffalo (BUF) for the Fri, Sep 11 departure.

Right nowScheduled · gate B5 · as of 00:38
18:20

departs MDW · on schedule

Typical gate push+17 minmedian posted departure
Typical arrival+8 minmedian over 5 operations
Wins back in air~9 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
09-10
+46 gate · +21 arrival
09-07
+23 gate · +8 arrival
09-04
+17 gate · +0 arrival
09-03
−2 gate · −10 arrival
08-31
+4 gate · +13 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 +8 min · 0 cancelled · 5 operations tracked

The route today

live boards
MDWChicagoOn-time likelyMDW delay board →
BUFBuffaloOn-time likelyBUF delay board →
MDW→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
3.0%Chance of cancellation
+11 minAvg hub delay right now

Conditions at MDW and BUF 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 Chicago to Buffalo flights today

same route · Southwest Airlines
WN1156departs 08:05
WN1348departs 09:25
WN4217departs 12:45
WN758departs 13:35
WN4241departs 15:15
WN3641departs 18:00

If WN1502 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Buffalo on the same day, with scheduled departure times in MDW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN1502 actually runs

Pro Flight Search has tracked every published board update for WN1502 across the MDW and BUF boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min late. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN1502 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
09-10MDW 18:20 19:06 (+46)BUF 20:55 21:16 (+21)
09-07MDW 18:20 18:43 (+23)BUF 20:55 21:03 (+8)
09-04MDW 18:20 18:37 (+17)BUF 20:55 (+0)
09-03MDW 18:20 18:18 (−2)BUF 20:55 20:45 (−10)
08-31MDW 18:20 18:24 (+4)BUF 20:50 21:03 (+13)

Aircraft

Recent tails: N464WN, N7747C, N912WN, N555LV.

Board clocks recorded as MDW 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 — WN1502 Chicago to Buffalo on-time performance, measured from the MDW and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1502
How we measure this →