WN939Southwest Airlines · BWI → DEN
live · 45m ago
Route confirmed Southwest Airlines

WN939 BaltimoreBWI · 18:00 DenverDEN · 19:55

WN939 by Southwest Airlines flies from Baltimore (BWI) to Denver (DEN) for the Thu, Sep 17 departure.

Right nowExpected in Denver · On time
19:55

arrival expected at DEN · on schedule

Typical gate push+26 minmedian posted departure
Typical arrival+24 minmedian over 6 operations
Wins back in air~2 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-17
+26 gate
09-16
+45 gate · +24 arrival
09-15
+68 gate · +45 arrival
09-14
+36 gate · +35 arrival
09-13
+24 gate · +21 arrival
09-11
+14 gate · −7 arrival
09-10
+26 gate · +11 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 +24 min · 0 cancelled · 7 operations tracked

The route today

live boards
BWIBaltimoreModerate riskBWI delay board →
DENDenverOn-time likelyDEN delay board →
BWI→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.6%Chance of cancellation
+10 minAvg hub delay right now

Conditions at BWI and DEN 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 Denver flights today

same route · Southwest Airlines
WN934departs 06:30
WN208departs 08:15
WN935departs 08:25
WN938departs 09:40
WN936departs 10:05
WN4894departs 11:05

If WN939 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Denver 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 WN939 actually runs

Pro Flight Search has tracked every published board update for WN939 across the BWI and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~24 min late. Based on 6 confirmed landings · 2/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN939 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
09-17BWI 18:00 18:26 (+26)DEN 19:55
09-16BWI 17:55 18:40 (+45)DEN 19:50 20:14 (+24)
09-15BWI 17:55 19:03 (+68)DEN 19:50 20:35 (+45)
09-14BWI 18:00 18:36 (+36)DEN 19:55 20:30 (+35)
09-13BWI 19:05 19:29 (+24)DEN 20:55 21:16 (+21)
09-11BWI 18:00 18:14 (+14)DEN 19:55 19:48 (−7)
09-10BWI 18:00 18:26 (+26)DEN 19:55 20:06 (+11)

Aircraft

Recent tails: N8886C, N8783L, N8849Q, N8725L.

Board clocks recorded as BWI and DEN 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 — WN939 Baltimore to Denver on-time performance, measured from the BWI and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN939
How we measure this →