B61734JetBlue Airways · SFO → BOS
live · 14m ago
Route confirmed JetBlue Airways

B61734 San FranciscoSFO · 10:50 BostonBOS · 19:36

B61734 by JetBlue Airways flies from San Francisco (SFO) to Boston (BOS) for the Sat, Oct 31 departure.

Right nowEn route to Boston · off blocks 11:05 · 15 min late
En route

en route from SFO to BOS

En routeB61734 · position estimated
SFOSan FranciscoBOSBoston
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 11:05 · typical taxi-out at SFO ≈ 11.4 min. No receiver coverage over open ocean.

Wins back in air~15 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
BOSBostonOn-time likelyBOS delay board →
SFO→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
46%Chance of 15+ min delay
2.6%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at SFO and BOS 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

San Francisco to Boston with JetBlue Airways · Sun 1 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.9%0.7× usual
Chance a departure leaves 60+ min late
13%1.0× usual

Forecast weather: 73% chance of rain at San Francisco

Forecast: GateWeather · 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 San Francisco to Boston flights today

same route · JetBlue Airways
B6434departs 07:30
B61034departs 11:44
B61634departs 12:30
B61234departs 14:37
B6734departs 15:19
B6134departs 21:37

If B61734 is cancelled, these are the other JetBlue Airways nonstop flights from San Francisco to Boston on the same day, with scheduled departure times in SFO 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 B61734 actually runs

Pro Flight Search has tracked every published board update for B61734 across the SFO and BOS boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed +0 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how B61734 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
10-31SFO 10:50 11:05 (+15)BOS 19:36 19:22 (−14)
10-30SFO 10:44 10:45 (+1)BOS 19:25 (+0)

Board clocks recorded as SFO and BOS published them.

Planning around B61734? 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: B61734 San Francisco to Boston on-time performance, measured from the SFO and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/B61734
How we measure this →