WN4428Southwest Airlines · BWI → IND
live · 20m ago
Route confirmed Southwest Airlines

WN4428 BaltimoreBWI · 19:50 IndianapolisIND · 21:45

WN4428 by Southwest Airlines flies from Baltimore (BWI) to Indianapolis (IND).

Right nowNext departure today Operates daily
19:50

scheduled from BWI

Typical gate push+13 minmedian posted departure
Typical arrival−5 minmedian over 5 operations
Wins back in air~18 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
09-16
+28 gate · −5 arrival
09-15
+10 gate · −23 arrival
09-14
+13 gate · −3 arrival
09-09
+5 gate · −24 arrival
09-08
+38 gate · +1 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 −5 min · 0 cancelled · 5 operations tracked

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
INDIndianapolisOn-time likelyIND delay board →
BWI→INDevery 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
2.0%Chance of cancellation
+8 minAvg hub delay right now

Conditions at BWI and IND 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 Indianapolis flights today

same route · Southwest Airlines
WN5101departs 09:00
WN1654departs 09:50
WN863departs 10:55
WN4101departs 11:25
WN856departs 15:10
WN5095departs 15:25

If WN4428 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Indianapolis 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 WN4428 actually runs

Pro Flight Search has tracked every published board update for WN4428 across the BWI and IND boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 5 confirmed landings · 5/5 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 WN4428 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
09-16BWI 19:50 20:18 (+28)IND 21:45 21:40 (−5)
09-15BWI 19:50 20:00 (+10)IND 21:45 21:22 (−23)
09-14BWI 09:55 10:08 (+13)IND 11:40 11:37 (−3)
09-09BWI 19:50 19:55 (+5)IND 21:45 21:21 (−24)
09-08BWI 19:50 20:28 (+38)IND 21:45 21:46 (+1)

Aircraft

Recent tails: N8820L, N8837Q, N8982S, N8882Q.

Board clocks recorded as BWI and IND 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 — WN4428 Baltimore to Indianapolis on-time performance, measured from the BWI and IND airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4428
How we measure this →