WN4996Southwest Airlines · ONT → BNA
live · 35m ago
Route confirmed Southwest Airlines

WN4996 OntarioONT · 10:05 NashvilleBNA · 15:55

WN4996 by Southwest Airlines flies from Ontario (ONT) to Nashville (BNA).

Right nowNext departure today Operates daily
08:35

scheduled from ONT

⚖ WN4996 typically leaves +20 and lands −4. The air wins minutes back.
Typical gate push+20 minmedian posted departure
Typical arrival−4 minmedian over 13 operations
Wins back in air~24 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 13tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-17
+19 gate · −17 arrival
10-16
+19 gate · −17 arrival
10-15
+61 gate · +35 arrival
10-14
+11 gate · −14 arrival
10-13
+16 gate · −6 arrival
10-12
+26 gate · +1 arrival
10-11
+30 gate · −2 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 −4 min · 0 cancelled · 13 operations tracked

The route today

live boards
ONTOntarioOn-time likelyONT delay board →
BNANashvilleModerate riskBNA delay board →
ONT→BNAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
42%Chance of 15+ min delay
1.2%Chance of cancellation
+10 minAvg hub delay right now

Driven mainly by BNA (Nashville), currently flying MVFR (marginal visual). 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 Ontario to Nashville flights today

same route · Southwest Airlines
WN1416departs 11:10

If WN4996 is cancelled, this is the other Southwest Airlines nonstop flight from Ontario to Nashville on the same day, with scheduled departure times in ONT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4996 actually runs

Pro Flight Search has tracked every published board update for WN4996 across the ONT and BNA boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min late. Based on 10 confirmed landings · 8/10 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 WN4996 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
10-17ONT 10:05 10:24 (+19)BNA 15:55 15:38 (−17)
10-16ONT 10:05 10:24 (+19)BNA 15:55 15:38 (−17)
10-15ONT 10:05 11:06 (+61)BNA 15:55 16:30 (+35)
10-14ONT 08:35 08:46 (+11)BNA 14:25 14:11 (−14)
10-13ONT 08:35 08:51 (+16)BNA 14:25 14:19 (−6)
10-12ONT 10:05 10:31 (+26)BNA 15:55 15:56 (+1)
10-11ONT 06:00 06:30 (+30)BNA 11:50 11:48 (−2)
10-09ONT 10:05 11:18 (+73)BNA 15:55 16:44 (+49)
10-08ONT 10:05 10:18 (+13)BNA 15:55 15:47 (−8)
10-07ONT 08:35 08:55 (+20)BNA 14:25 14:21 (−4)
10-06ONT 08:35 09:04 (+29)BNA 14:25 14:22 (−3)
10-05ONT 10:05 10:58 (+53)BNA 15:55 16:28 (+33)
10-04ONT 06:00 06:12 (+12)BNA 11:50 11:33 (−17)

Aircraft

Recent tails: N9024K, N8683D, N8707P, N8737L.

Board clocks recorded as ONT and BNA published them.

Planning around WN4996? 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 — WN4996 Ontario to Nashville on-time performance, measured from the ONT and BNA airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4996
How we measure this →