WN1957Southwest Airlines · BOS → SAN
live · 4m ago
Route confirmed Southwest Airlines

WN1957 BostonBOS · 12:55 San DiegoSAN · 15:50

WN1957 by Southwest Airlines flies from Boston (BOS) to San Diego (SAN) for the Sun, Sep 13 departure.

Right nowIn the air to San Diego · off blocks 13:06 · 11 min late
16:19

estimated arrival at SAN · local time · ~1h 49m from now

LivePosition · updated 4m ago
SAN851 mi · ~1h 49m leftBOS
36,000 ftAltitudecruising
498 mphSpeed433 kt
261°Direction

Live position · flown path, last 3h 58m

Typical gate push+0 minmedian posted departure
Typical arrival+29 minmedian over 2 operations

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
09-13
+11 gate · +29 arrival
09-09
+0 gate · −4 arrival
09-08
+0 gate

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
BOSBostonOn-time likelyBOS delay board →
SANSan DiegoOn-time likelySAN delay board →
BOS→SANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
54%Chance of 15+ min delay
1.7%Chance of cancellation
+26 minAvg hub delay right now

Driven mainly by BOS (Boston), currently flying IFR (instrument). 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 Boston to San Diego flights today

same route · Southwest Airlines
WN2587departs 11:15

If WN1957 is cancelled, this is the other Southwest Airlines nonstop flight from Boston to San Diego on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN1957 actually runs

Pro Flight Search has tracked every published board update for WN1957 across the BOS and SAN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed -4 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN1957 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-13BOS 12:55 13:06 (+11)SAN 15:50 16:19 (+29)
09-09BOS 09:05 (+0)SAN 12:00 11:56 (−4)
09-08BOS 09:05 (+0)SAN

Board clocks recorded as BOS and SAN 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 — WN1957 Boston to San Diego on-time performance, measured from the BOS and SAN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1957
How we measure this →