WN172Southwest Airlines · DAL → DCA
live · 16m ago
Route confirmed Southwest Airlines

WN172 DallasDAL · 19:30 WashingtonDCA · 23:20

WN172 by Southwest Airlines flies from Dallas (DAL) to Washington (DCA).

Right nowNext departure tomorrow Operates daily
10:35

scheduled from DAL

⚖ WN172 typically leaves +27 and lands +5. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+43+86+129 min
09-21
+54 gate · +28 arrival
09-20
+47 gate · +27 arrival
09-19
+11 gate · −18 arrival
09-18
+26 gate · +5 arrival
09-17
+129 gate · +103 arrival
09-16
+12 gate · −14 arrival
09-15
+27 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 · 15 operations tracked

The route today

live boards
DALDallasModerate riskDAL delay board →
DCAWashingtonOn-time likelyDCA delay board →
DAL→DCAevery 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
2.0%Chance of cancellation
+13 minAvg hub delay right now

Conditions at DAL and DCA 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 Dallas to Washington flights today

same route · Southwest Airlines
WN2175departs 06:10
WN3034departs 06:20
WN8departs 09:45
WN597departs 10:05
WN4207departs 10:10
WN188departs 13:55

If WN172 is cancelled, these are the other Southwest Airlines nonstop flights from Dallas to Washington on the same day, with scheduled departure times in DAL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN172 actually runs

Pro Flight Search has tracked every published board update for WN172 across the DAL and DCA boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min late. Based on 14 confirmed landings · 8/14 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 WN172 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
09-21DAL 19:30 20:24 (+54)DCA 23:20 23:48 (+28)
09-20DAL 14:05 14:52 (+47)DCA 18:00 18:27 (+27)
09-19DAL 14:05 14:16 (+11)DCA 18:00 17:42 (−18)
09-18DAL 19:30 19:56 (+26)DCA 23:20 23:25 (+5)
09-17DAL 19:30 21:39 (+129)DCA 23:20 01:03 (+103)
09-16DAL 14:05 14:17 (+12)DCA 18:00 17:46 (−14)
09-15DAL 14:05 14:32 (+27)DCA 18:00 18:01 (+1)
09-14DAL 19:30 20:24 (+54)DCA 23:20 23:48 (+28)
09-13DAL 14:05 14:21 (+16)DCA 18:00 17:47 (−13)
09-12DAL 14:05 14:25 (+20)DCA 18:00 17:48 (−12)
09-11DAL 19:30 20:40 (+70)DCA 23:20 00:11 (+51)
09-10DAL 19:30 20:30 (+60)DCA 23:20 23:50 (+30)
09-09DAL 14:05 14:02 (−3)DCA 18:00 18:02 (+2)
09-08DAL 14:05 14:28 (+23)DCA 18:00 18:03 (+3)
09-07DAL 19:30 20:38 (+68)DCA

Aircraft

Recent tails: N8667D, N8931L, N8832H, N9023R.

Board clocks recorded as DAL and DCA 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 — WN172 Dallas to Washington on-time performance, measured from the DAL and DCA airport boards.

Canonical URL
https://proflightsearch.com/flight/WN172
How we measure this →