B6635JetBlue Airways · BUF → SJU
live · 30m ago
Route confirmed JetBlue Airways

B6635 BuffaloBUF · 08:00 San JuanSJU · 12:50

B6635 by JetBlue Airways flies from Buffalo (BUF) to San Juan (SJU).

Right nowNext departure tomorrow Operates Mon Wed Fri Sat
08:00

scheduled from BUF

Typical gate push+5 minmedian posted departure
Typical arrival−45 minmedian over 6 operations
Wins back in air~50 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-31
−1 gate · −69 arrival
10-30
+4 gate · −63 arrival
10-28
+0 gate · −51 arrival
10-26
+6 gate · −39 arrival
10-24
+8 gate · −37 arrival
10-23
+6 gate · −31 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 −45 min · 0 cancelled · 6 operations tracked

The route today

live boards
BUFBuffaloOn-time likelyBUF delay board →
SJUSan JuanOn-time likelySJU delay board →
BUF→SJUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
47%Chance of 15+ min delay
1.2%Chance of cancellation
+24 minTypical airport delay in this weather

Conditions at BUF and SJU 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 Buffalo

Forecast

Fri 6 Nov, local date

High13°Clikely 12°C to 14°C
Low8°Clikely 6°C to 10°C
  • 89% chance of rain

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 San Juan

Forecast

Fri 6 Nov, local date

High30°Clikely 28°C to 31°C
Low26°Clikely 24°C to 27°C
  • 32% chance of thunder
  • 79% chance of rain

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.

How B6635 actually runs

Pro Flight Search has tracked every published board update for B6635 across the BUF and SJU boards: schedule changes, gate pushes and actual clocks. Usually lands ~103 min late. Based on 6 confirmed landings · 1/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how B6635 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
10-31BUF 08:00 07:59 (−1)SJU 12:50 11:41 (−69)
10-30BUF 08:00 08:04 (+4)SJU 12:50 11:47 (−63)
10-28BUF 08:00 (+0)SJU 12:50 11:59 (−51)
10-26BUF 08:00 08:06 (+6)SJU 12:50 12:11 (−39)
10-24BUF 08:15 08:23 (+8)SJU 12:54 12:17 (−37)
10-23BUF 08:15 08:21 (+6)SJU 12:54 12:23 (−31)

Aircraft

Recent tails: N520JB, N625JB, N632JB, N709JB.

Board clocks recorded as BUF and SJU published them.

Planning around B6635? 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: B6635 Buffalo to San Juan on-time performance, measured from the BUF and SJU airport boards.

Canonical URL
https://proflightsearch.com/flight/B6635
How we measure this →