WN739Southwest Airlines · BOS → DEN
live · 17m ago
Route confirmed Southwest Airlines

WN739 BostonBOS · 05:40 DenverDEN · 08:00

WN739 by Southwest Airlines flies from Boston (BOS) to Denver (DEN).

Right nowNext departure tomorrow Operates daily
05:40

scheduled from BOS

Typical gate push+0 minmedian posted departure
Typical arrival+10 minmedian over 5 operations

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
09-15
+13 arrival
09-14
+13 arrival
09-13
+0 gate · +9 arrival
09-12
+0 gate · +10 arrival
09-11
+8 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 +10 min · 0 cancelled · 5 operations tracked

The route today

live boards
BOSBostonOn-time likelyBOS delay board →
DENDenverOn-time likelyDEN delay board →
BOS→DENevery 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
2.7%Chance of cancellation
+9 minAvg hub delay right now

Conditions at BOS 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 Boston to Denver flights today

same route · Southwest Airlines
WN4030departs 09:10
WN302departs 09:25
WN947departs 13:30
WN742departs 16:00
WN352departs 16:45
WN4251departs 17:00

If WN739 is cancelled, these are the other Southwest Airlines nonstop flights from Boston to Denver on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN739 actually runs

Pro Flight Search has tracked every published board update for WN739 across the BOS and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min late. Based on 5 confirmed landings · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN739 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
09-15BOS 05:40DEN 08:00 08:13 (+13)
09-14BOS 05:40DEN 08:00 08:13 (+13)
09-13BOS 05:20 (+0)DEN 07:40 07:49 (+9)
09-12BOS 06:00 (+0)DEN 08:20 08:30 (+10)
09-11BOS 05:40DEN 08:00 08:08 (+8)

Aircraft

Recent tails: N8751R, N8606C, N941WN, N8555Z.

Board clocks recorded as BOS 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 — WN739 Boston to Denver on-time performance, measured from the BOS and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN739
How we measure this →