WN3907Southwest Airlines · SMF → BWI
live · 2h ago
Route confirmed Southwest Airlines

WN3907 SacramentoSMF · 21:50 BaltimoreBWI · 05:45

WN3907 by Southwest Airlines flies from Sacramento (SMF) to Baltimore (BWI).

Right nowNext departure today Operates daily
21:50

scheduled from SMF

⚖ WN3907 typically leaves +22 and lands +3. The air wins minutes back.
Typical gate push+22 minmedian posted departure
Typical arrival+3 minmedian over 15 operations
Wins back in air~19 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-23
+64 gate · +52 arrival
10-22
+48 gate · +33 arrival
10-21
+22 gate · −3 arrival
10-20
+22 gate · −1 arrival
10-19
+13 gate · +14 arrival
10-18
+32 gate · +10 arrival
10-17
+29 gate · +16 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 · 15 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
BWIBaltimoreOn-time likelyBWI delay board →
SMF→BWIevery 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
0.5%Chance of cancellation
+8 minAvg hub delay right now

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

How WN3907 actually runs

Pro Flight Search has tracked every published board update for WN3907 across the SMF and BWI boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min late. Based on 14 confirmed landings · 8/14 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3907 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
10-23SMF 21:50 22:54 (+64)BWI 05:45 06:37 (+52)
10-22SMF 21:50 22:38 (+48)BWI 05:45 06:18 (+33)
10-21SMF 21:50 22:12 (+22)BWI 05:45 05:42 (−3)
10-20SMF 21:50 22:12 (+22)BWI 05:45 05:44 (−1)
10-19SMF 21:50 22:03 (+13)BWI 05:20 05:34 (+14)
10-18SMF 21:50 22:22 (+32)BWI 05:45 05:55 (+10)
10-17SMF 21:50 22:19 (+29)BWI 05:45 06:01 (+16)
10-16SMF 21:50 22:54 (+64)BWI 05:45 06:37 (+52)
10-15SMF 21:50 22:10 (+20)BWI 05:45 05:48 (+3)
10-14SMF 21:50 22:03 (+13)BWI 05:45 05:27 (−18)
10-13SMF 21:50 22:20 (+30)BWI 05:45 (+0)
10-12SMF 21:50 22:03 (+13)BWI 05:45 05:18 (−27)
10-11SMF 21:50 22:08 (+18)BWI 05:45 05:34 (−11)
10-10SMF 21:50 22:00 (+10)BWI 05:45 05:24 (−21)
10-09SMF BWI 05:45 05:50 (+5)

Aircraft

Recent tails: N955WN, N299WN, N234WN, N227WN.

Board clocks recorded as SMF and BWI published them.

Planning around WN3907? 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 — WN3907 Sacramento to Baltimore on-time performance, measured from the SMF and BWI airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3907
How we measure this →