WN4571Southwest Airlines · BWI → PWM
live · 3h ago
Route confirmed Southwest Airlines

WN4571 BaltimoreBWI · 22:25 PortlandPWM · 23:55

WN4571 by Southwest Airlines flies from Baltimore (BWI) to Portland (PWM).

Right nowNext departure today Operates daily
21:05

scheduled from BWI

⚖ WN4571 typically leaves +45 and lands +17. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-15
+89 gate · +59 arrival
10-14
+43 gate · +17 arrival
10-13
+40 gate · +14 arrival
10-12
+46 gate · +22 arrival
10-11
+64 gate · +44 arrival
10-09
+45 gate · −29 arrival
10-08
+89 gate · +59 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 +17 min · 0 cancelled · 13 operations tracked

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
PWMPortlandOn-time likelyPWM delay board →
BWI→PWMevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
37%Chance of 15+ min delay
1.3%Chance of cancellation

Conditions at BWI and PWM 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

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 Portland flights today

same route · Southwest Airlines
WN3681departs 08:15
WN4503departs 08:20
WN2969departs 10:35
WN4052departs 10:50
WN1125departs 10:55
WN1129departs 14:00

If WN4571 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Portland 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 WN4571 actually runs

Pro Flight Search has tracked every published board update for WN4571 across the BWI and PWM boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 min late. Based on 8 confirmed landings · 5/8 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 WN4571 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
10-15BWI 22:25 23:54 (+89)PWM 23:55 00:54 (+59)
10-14BWI 21:05 21:48 (+43)PWM 22:40 22:57 (+17)
10-13BWI 21:05 21:45 (+40)PWM 22:40 22:54 (+14)
10-12BWI 22:25 23:11 (+46)PWM 23:55 00:17 (+22)
10-11BWI 22:25 23:29 (+64)PWM 23:55 00:39 (+44)
10-09BWI 22:25 23:10 (+45)PWM 23:55 23:26 (−29)
10-08BWI 22:25 23:54 (+89)PWM 23:55 00:54 (+59)
10-07BWI 21:05 21:25 (+20)PWM 22:40 22:30 (−10)
10-06BWI 21:05 21:36 (+31)PWM 22:40 22:42 (+2)
10-05BWI 22:25 22:41 (+16)PWM 23:55 23:44 (−11)
10-04BWI 22:25 23:26 (+61)PWM 23:55 00:31 (+36)
10-02BWI 22:25 22:59 (+34)PWM 23:55 00:07 (+12)
10-01BWI 22:25 23:19 (+54)PWM 23:55 00:32 (+37)

Aircraft

Recent tails: N8922Q, N8814K, N8316H, N8716B.

Board clocks recorded as BWI and PWM 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 — WN4571 Baltimore to Portland on-time performance, measured from the BWI and PWM airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4571
How we measure this →