WN3291Southwest Airlines · ONT → DEN
live · 8m ago
Route confirmed Southwest Airlines

WN3291 OntarioONT · 12:40 DenverDEN · 15:50

WN3291 by Southwest Airlines flies from Ontario (ONT) to Denver (DEN).

Right nowNext departure tomorrow Operates daily
15:55

scheduled from ONT

Typical gate push+17 minmedian posted departure
Typical arrival+1 minmedian over 6 operations
Wins back in air~16 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-30
+21 gate · +1 arrival
10-29
+6 gate · −10 arrival
10-26
+17 gate · +0 arrival
10-23
+17 gate · +8 arrival
10-22
+28 gate · +11 arrival
10-19
+12 gate · −4 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 +1 min · 0 cancelled · 6 operations tracked

The route today

live boards
ONTOntarioOn-time likelyONT delay board →
DENDenverOn-time likelyDEN delay board →
ONT→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
50%Chance of 15+ min delay
2.8%Chance of cancellation
+27 minTypical airport delay in this weather

Driven mainly by DEN (Denver), 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 on this route

Forecast

Ontario to Denver with Southwest Airlines · Mon 2 Nov, local date

Outlook: about usual
Chance a departure leaves 60+ min late
6.8%1.5× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 4 departures a day on this route with this airline. · 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 Ontario to Denver flights today

same route · Southwest Airlines
WN4115departs 05:40
WN2188departs 06:20
WN3300departs 06:30
WN2432departs 08:05
WN3263departs 08:05
WN2189departs 10:05

If WN3291 is cancelled, these are the other Southwest Airlines nonstop flights from Ontario to Denver on the same day, with scheduled departure times in ONT 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 WN3291 actually runs

Pro Flight Search has tracked every published board update for WN3291 across the ONT and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 6 confirmed landings · 6/6 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 WN3291 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
10-30ONT 12:40 13:01 (+21)DEN 15:50 15:51 (+1)
10-29ONT 12:40 12:46 (+6)DEN 15:50 15:40 (−10)
10-26ONT 12:40 12:57 (+17)DEN 15:50 (+0)
10-23ONT 12:40 12:57 (+17)DEN 15:50 15:58 (+8)
10-22ONT 12:40 13:08 (+28)DEN 15:50 16:01 (+11)
10-19ONT 12:40 12:52 (+12)DEN 15:50 15:46 (−4)

Aircraft

Recent tails: N8876Q, N8873S, N8850Q, N8852Q.

Board clocks recorded as ONT and DEN 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: WN3291 Ontario to Denver on-time performance, measured from the ONT and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3291
How we measure this →