San Juan to Buffalo (SJU–BUF) — Airlines, Schedules & Connections

SJU Airport Page →
1,849 mi airlines charter/private 4/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 27m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
B6634
B6 JetBlue
320
11:00 PM
AST TA
2:56 AM+1
EDT
3h 56m
63%
M T W T F S S
Prices
B6635
B6 JetBlue
320
7:16 AM
EDT
11:11 AM
AST
3h 55m
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
BWI Baltimore 6h 10m F9WN EJAWN Baltimore (BWI) to Buffalo flights
MCO Orlando 6h 25m ADB6EI ADB6F9 Orlando (MCO) to Buffalo flights
BOS Boston 6h 32m B6DLEI AAB6EI Boston (BOS) to Buffalo flights
JFK New York 6h 34m AFB6DL AMATB6 New York (JFK) to Buffalo flights
TPA Tampa 6h 39m B6F9WN LXJWN Tampa (TPA) to Buffalo flights
RDU Raleigh/Durham 6h 45m B6F9 F9LXJ Raleigh/Durham (RDU) to Buffalo flights
IAD Dulles 7h ACKOWUA AVCMSN Dulles (IAD) to Buffalo flights
MDW Chicago 7h 5m WN WN Chicago (MDW) to Buffalo flights
PHL Philadelphia 7h 28m AAB6F9 AABA Philadelphia (PHL) to Buffalo flights
ATL Atlanta 7h 31m AFAMCV AMDLF9 Atlanta (ATL) to Buffalo flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
San Juan to Buffalo
1 carrier, 4 flights/week nonstop.
1 Airlines 1,849 mi 3h 56m nonstop

SJU–BUF is served by 1 airline with nonstop service. JetBlue leads the route. The flight covers 1,849 miles in approximately 3h 56m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop SJU–BUF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
B6 JetBlue 4 320 3h56 88%
Aircraft on this route
320 Airbus A320 – B6
Alliance coverage
Unaffiliated: B6 (4 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SJU to BUF direction.
Mon
1
flight
Tue
0
flights
Wed
1
flight
Thu
0
flights
Fri
1
flight
Sat
1
flight
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
4
Outbound / wk
4
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJU to BUF.
1-STOP
One-Stop Connections
25
Hubs
~6h
Fastest
~26h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
766
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
SJU → BUF
88%
Generally reliable. Most flights run on time.
Departing
88%
Arriving
100%
Return
BUF → SJU
90%
Generally reliable. Most flights run on time.
Departing
90%
Arriving
91%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SJU delays → BUF delays →

Other ways to reach Buffalo from San Juan

Nearby airports with service to Buffalo Niagara International Airport.
Metric SJU→BUF STT→BUF
Distance from SJU 68 mi
Nonstop airlines 1 1
Weekly flights 4
Flight time 3h 56m 4h 4m
Departure OTP 88%
Airports within 200 miles of SJU with service to Buffalo Niagara International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Buffalo is 0 hours the same as San Juan.
SJU: AST · BUF: EDT

When it's 6:00 PM in San Juan, it's 6:00 PM in Buffalo.
Distance & Flight Time
1,849 mi / 2,976 km
Nonstop flight time is approximately 3h 56m gate to gate.

SJU–BUF Quick Facts

Key statistics for the San Juan to Buffalo route.
Route details
Distance1,849 mi / 2,976 km
Flight time3h 56m
Time difference0 hours
Airlines (nonstop)1
Weekly flights4 out / 4 return
1-stop connectionsAvailable
Origin: SJU
IATA / ICAOSJU / TJSJ
TimezoneAmerica/Puerto_Rico
Passengers/yr13.0M
Elevation9 ft / 3 m
Destination: BUF
IATA / ICAOBUF / KBUF
TimezoneAmerica/New_York
Passengers/yr5.0M
Elevation728 ft / 222 m

Frequently Asked Questions

Common questions about SJU to BUF flights.
Nonstop flights from Luis Munoz Marin International Airport to Buffalo Niagara International Airport take about 3h 56m gate to gate. The route covers 1,849 miles.
1 airline operates flights from SJU to BUF: JetBlue.
This route has limited weekly service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Baltimore/Washington International Thurgood Marshall, Orlando and Boston Logan.
Yes, return flights from BUF to SJU are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include STT. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SJU to BUF

Luis Munoz Marin International Airport (SJU) and Buffalo Niagara International Airport (BUF) are connected by nonstop service from JetBlue. With 4 weekly departures, this is a regularly served route.

SJU to BUF Flight Duration and Schedule

Nonstop flight time from SJU to BUF is about 3 hours 56 minutes gate to gate. The route covers a distance of 1,849 miles (2,976 km). There are approximately 4 weekly flights outbound and 4 return, totaling 8 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Baltimore/Washington International Thurgood Marshall, Orlando and Boston Logan. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Charlotte Amalie (STT).