WN4523Southwest Airlines · DCA → TYS
live · 3h ago
Route confirmed Southwest Airlines

WN4523 WashingtonDCA · 19:15 Knoxville/MaryvilleTYS · 20:05

WN4523 by Southwest Airlines flies from Washington (DCA) to Knoxville/Maryville (TYS).

Same number through DCA → BNA → TYS

Right nowNext departure today Operates daily
20:40

scheduled from DCA

Typical gate push+43 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-09
+44 gate
10-08
+43 gate
10-07
+47 gate
10-06
+40 gate
10-05
+2 gate
10-04
+41 gate
10-02
+44 gate

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

0 cancelled · 8 operations tracked

The route today

live boards
DCAWashingtonOn-time likelyDCA delay board →
TYSKnoxville/MaryvilleOn-time likelyTYS delay board →
DCA→TYSevery 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
3.6%Chance of cancellation
+9 minAvg hub delay right now

Conditions at DCA and TYS 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 Washington to Knoxville/Maryville flights today

same route · Southwest Airlines
WN1388departs 06:05
WN1485departs 06:05
WN955departs 06:55
WN2980departs 09:00
WN580departs 10:15
WN3540departs 10:35

If WN4523 is cancelled, these are the other Southwest Airlines nonstop flights from Washington to Knoxville/Maryville on the same day, with scheduled departure times in DCA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4523 actually runs

Pro Flight Search has tracked every published board update for WN4523 across the DCA and TYS boards: schedule changes, gate pushes and actual clocks. Usually lands ~25 min late. Based on 7 confirmed landings · 1/7 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4523 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
10-09DCA 19:15 19:59 (+44)TYS
10-08DCA 19:15 19:58 (+43)TYS
10-07DCA 16:00 16:47 (+47)TYS
10-06DCA 16:00 16:40 (+40)TYS
10-05DCA 19:15 19:17 (+2)TYS
10-04DCA 17:35 18:16 (+41)TYS
10-02DCA 19:15 19:59 (+44)TYS
10-01DCA 19:15 19:47 (+32)TYS

Aircraft

Recent tails: N441WN, N7744A, N457WN, N7715E.

Board clocks recorded as DCA and TYS 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 — WN4523 Washington to Knoxville/Maryville on-time performance, measured from the DCA and TYS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4523
How we measure this →