WN4518Southwest Airlines · BUF → LAS
updated 1h ago
Route confirmed Southwest Airlines

WN4518 BuffaloBUF · 06:30 Las VegasLAS · 08:20

WN4518 by Southwest Airlines flies from Buffalo (BUF) to Las Vegas (LAS).

Right nowNext departure today Operates daily
06:30

scheduled from BUF

Typical gate push+4 minmedian posted departure
Typical arrival−10 minmedian over 3 operations
Wins back in air~14 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
10-30
+4 gate · +0 arrival
10-29
+5 gate · −19 arrival
10-26
+1 gate · −10 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
BUFBuffaloModerate riskBUF delay board →
LASLas VegasOn-time likelyLAS delay board →
BUF→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
41%Chance of 15+ min delay
0.5%Chance of cancellation
+12 minTypical airport delay in this weather

Driven mainly by BUF (Buffalo), currently flying MVFR (marginal visual). These figures come from both airports' records 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 →

Tomorrow at Buffalo

Forecast

Sun 8 Nov, local date

High11°Clikely 10°C to 13°C
Low6°Clikely 4°C to 7°C
  • Gusts to 32 kt

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Las Vegas

Forecast

Sat 7 Nov, local date

High24°Clikely 23°C to 24°C
Low13°Clikely 12°C to 15°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Buffalo to Las Vegas flights today

same route · Southwest Airlines
WN504departs 07:00
WN5026departs 13:50
WN271departs 15:25
WN498departs 15:55

If WN4518 is cancelled, these are the other Southwest Airlines nonstop flights from Buffalo to Las Vegas on the same day, with scheduled departure times in BUF local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN4518 actually runs

Pro Flight Search has tracked every published board update for WN4518 across the BUF and LAS boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed +0 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4518 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
10-30BUF 06:30 06:34 (+4)LAS 08:20 (+0)
10-29BUF 06:30 06:35 (+5)LAS 08:20 08:01 (−19)
10-26BUF 06:30 06:31 (+1)LAS 08:20 08:10 (−10)

Aircraft

Recent tails: N247WN, N7732A, N965WN.

Board clocks recorded as BUF and LAS published them.

Planning around WN4518? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: WN4518 Buffalo to Las Vegas on-time performance, measured from the BUF and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4518
How we measure this →