WN3900Southwest Airlines · SMF → BUR
updated 5h ago
Route confirmed Southwest Airlines

WN3900 SacramentoSMF · 08:55 BurbankBUR · 10:10

WN3900 by Southwest Airlines flies from Sacramento (SMF) to Burbank (BUR).

Right nowNext departure today Operates daily
08:40

scheduled from SMF

Typical gate push+7 minmedian posted departure
Typical arrival−13 minmedian over 4 operations
Wins back in air~20 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-11
+9 gate · −12 arrival
10-30
+4 gate · −17 arrival
10-29
+5 gate · −15 arrival
10-28
+9 gate · −12 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
SMFSacramentoOn-time likelySMF delay board →
BURBurbankOn-time likelyBUR delay board →
SMF→BURevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
0.3%Chance of cancellation
+10 minTypical airport delay in this weather

Conditions at SMF and BUR 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 at Sacramento

Forecast

Thu 12 Nov, local date

High21°Clikely 19°C to 24°C
Low7°Clikely 5°C to 9°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.

Tomorrow at Burbank

Forecast

Thu 12 Nov, local date

High25°Clikely 23°C to 26°C
Low14°Clikely 13°C to 16°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 Sacramento to Burbank flights today

same route · Southwest Airlines
WN3899departs 06:20
WN3988departs 06:50
WN3991departs 08:30
WN3934departs 08:40
WN3992departs 11:00
WN3993departs 12:40

If WN3900 is cancelled, these are the other Southwest Airlines nonstop flights from Sacramento to Burbank on the same day, with scheduled departure times in SMF 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 WN3900 actually runs

Pro Flight Search has tracked every published board update for WN3900 across the SMF and BUR boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3900 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
11-11SMF 08:55 09:04 (+9)BUR 10:10 09:58 (−12)
10-30SMF 08:40 08:44 (+4)BUR 09:55 09:38 (−17)
10-29SMF 08:40 08:45 (+5)BUR 09:55 09:40 (−15)
10-28SMF 08:55 09:04 (+9)BUR 10:10 09:58 (−12)

Aircraft

Recent tails: N299WN, N914WN, N247WN.

Board clocks recorded as SMF and BUR published them.

Planning around WN3900? 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: WN3900 Sacramento to Burbank on-time performance, measured from the SMF and BUR airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3900
How we measure this →