DL8859Delta Air Lines · LAS → BUF
live · 2m ago
Route confirmed Delta Air Lines

DL8859 Las VegasLAS · 18:25 BuffaloBUF · 01:07

DL8859 by Delta Air Lines flies from Las Vegas (LAS) to Buffalo (BUF).

Right nowNext departure today Operates Mon Sat Sun
18:25

scheduled from LAS

The route today

live boards
LASLas VegasModerate riskLAS delay board →
BUFBuffaloOn-time likelyBUF delay board →
LAS→BUFevery 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
1.6%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at LAS and BUF are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 on this route

Forecast

Las Vegas to Buffalo with Delta Air Lines · Sun 1 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.2%2.6× usual
Chance a departure leaves 60+ min late
17%1.0× usual

Forecast weather: 82% chance of rain at Las Vegas

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · 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 Las Vegas to Buffalo flights today

same route · Delta Air Lines
DL8816departs 10:45

If DL8859 is cancelled, this is the other Delta Air Lines nonstop flight from Las Vegas to Buffalo on the same day, with scheduled departure times in LAS 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 DL8859 actually runs

Pro Flight Search has tracked every published board update for DL8859 across the LAS and BUF boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed +54 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how DL8859 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
10-18LAS 18:25 18:50 (+25)BUF 01:07 01:59 (+52)

Aircraft

Recent tails: N812NW.

Board clocks recorded as LAS and BUF 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: DL8859 Las Vegas to Buffalo on-time performance, measured from the LAS and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/DL8859
How we measure this →