WN1723Southwest Airlines · DEN → PHL
live · 4m ago
Route confirmed Southwest Airlines

WN1723 DenverDEN · 11:00 PhiladelphiaPHL · 20:30

WN1723 by Southwest Airlines flies from Denver (DEN) to Philadelphia (PHL).

Right nowIn the air to Philadelphia
19:40

estimated arrival at PHL · local time · ~95 min from now

LivePosition · updated 4m ago
DEN840 mi · ~95 min leftPHL
37,000 ftAltitudecruising
558 mphSpeed485 kt
89°Direction

Live position · flown path, last 1h 42m

Typical gate push+36 minmedian posted departure
Typical arrival+5 minmedian over 4 operations
Wins back in air~31 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+38+77+115 min
10-19
+11 gate · −6 arrival
10-16
+93 gate · +115 arrival
10-15
+14 gate · −6 arrival
10-12
+36 gate · +5 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
DENDenverOn-time likelyDEN delay board →
PHLPhiladelphiaOn-time likelyPHL delay board →
DEN→PHLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
1.4%Chance of cancellation
+11 minAvg hub delay right now

Conditions at DEN and PHL 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 Denver to Philadelphia flights today

same route · Southwest Airlines
WN1791departs 10:30
WN1393departs 11:05
WN3150departs 11:15
WN4558departs 14:20
WN1792departs 19:35

If WN1723 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Philadelphia on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN1723 actually runs

Pro Flight Search has tracked every published board update for WN1723 across the DEN and PHL boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 3 confirmed landings · 2/3 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 WN1723 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
10-19DEN 11:00 11:11 (+11)PHL 20:30 20:24 (−6)
10-16DEN 11:00 12:33 (+93)PHL 20:30 22:25 (+115)
10-15DEN 11:00 11:14 (+14)PHL 20:30 20:24 (−6)
10-12DEN 11:00 11:36 (+36)PHL 20:30 20:35 (+5)

Aircraft

Recent tails: N8513F, N8731J, N8877Q, N8900L.

Board clocks recorded as DEN and PHL 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 — WN1723 Denver to Philadelphia on-time performance, measured from the DEN and PHL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1723
How we measure this →