WN1791Southwest Airlines · DEN → SMF
live · 31m ago
Route confirmed Southwest Airlines

WN1791 DenverDEN · 21:05 SacramentoSMF · 22:45

WN1791 by Southwest Airlines flies from Denver (DEN) to Sacramento (SMF) for the Thu, Oct 29 departure.

Right nowOn time · gate C48 · as of 13:08
21:05

departs DEN · on schedule

⚖ WN1791 typically leaves +8 and lands −3. The air wins minutes back.
Typical gate push+8 minmedian posted departure
Typical arrival−3 minmedian over 10 operations
Wins back in air~11 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 10tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-29
−3 arrival
10-28
+62 gate · +43 arrival
10-27
+4 gate · −7 arrival
10-26
+28 gate · +9 arrival
10-24
+8 gate · −18 arrival
10-23
+86 gate · +64 arrival
10-22
+26 gate · −3 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 −3 min · 0 cancelled · 10 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
SMFSacramentoOn-time likelySMF delay board →
DEN→SMFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
1.5%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at DEN and SMF 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

Denver to Sacramento with Southwest Airlines · Fri 30 Oct, local date

Outlook: elevated
Chance a departure leaves 60+ min late
15%1.5× usual

Forecast weather: 54% chance of fog at Denver

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

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 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 Denver to Sacramento flights today

same route · Southwest Airlines
WN1787departs 08:35
WN1788departs 08:50
WN371departs 12:40
WN2472departs 15:50
WN4393departs 16:00
WN1790departs 18:40

If WN1791 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Sacramento on the same day, with scheduled departure times in DEN 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 WN1791 actually runs

Pro Flight Search has tracked every published board update for WN1791 across the DEN and SMF boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min late. Based on 10 confirmed landings · 7/10 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN1791 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
10-29DEN 21:05SMF 22:45 22:42 (−3)
10-28DEN 20:25 21:27 (+62)SMF 22:00 22:43 (+43)
10-27DEN 20:25 20:29 (+4)SMF 22:00 21:53 (−7)
10-26DEN 21:05 21:33 (+28)SMF 22:45 22:54 (+9)
10-24DEN 19:40 19:48 (+8)SMF 21:15 20:57 (−18)
10-23DEN 21:05 22:31 (+86)SMF 22:45 23:49 (+64)
10-22DEN 21:05 21:31 (+26)SMF 22:45 22:42 (−3)
10-21DEN 20:25 20:32 (+7)SMF 22:00 21:56 (−4)
10-20DEN 20:25 20:33 (+8)SMF 22:00 21:56 (−4)
10-19DEN 21:05 21:13 (+8)SMF 22:45 22:28 (−17)

Aircraft

Recent tails: N8644C, N8511K, N8903H, N8607M.

Board clocks recorded as DEN and SMF published them.

Planning around WN1791? 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: WN1791 Denver to Sacramento on-time performance, measured from the DEN and SMF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1791
How we measure this →