Baltimore (BWI) to San Juan (SJU)

1,569mi
2,525 km1,363 nm

Flight time

≈ 3h 56m

Bearing

153° SE

Baltimore (BWI) to San Juan (SJU) is 1,569 miles (2,525 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: BWI → SJUBWISJU

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What actually flies BWI–SJU

Filed traffic data

In July 2026, Southwest Airlines operated the most departures, one of 3 carriers flying nonstop BWI–SJU; the Boeing 737 MAX 8 was the most common aircraft at 46% of departures; flights ran 93% full.

Departures

239

July 2026

Seats

44,929

both directions

Passengers

41,825

both directions

Load factor

93.1%

RPM ÷ ASM

Who flies BWI–SJU?

Southwest Airlines operated the most nonstop BWI–SJU departures in July 2026 (181), one of 3 carriers on the route.

What plane flies BWI–SJU?

In July 2026, the Boeing 737 MAX 8 flew 46% of BWI–SJU departures — more than any other aircraft type.

How has BWI–SJU traffic changed?

Nonstop BWI–SJU departures rose from 204 in August 2025 to 239 in July 2026.

Monthly nonstop BWI–SJU traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • August 2025

    204 departures · 35,289 passengers

    91.9%

    Load

  • September 2025

    141 departures · 22,219 passengers

    92.9%

    Load

  • October 2025

    121 departures · 18,447 passengers

    87.1%

    Load

  • November 2025

    148 departures · 22,905 passengers

    85.4%

    Load

  • December 2025

    227 departures · 34,003 passengers

    80.2%

    Load

  • January 2026

    196 departures · 31,451 passengers

    86.0%

    Load

  • February 2026

    173 departures · 27,488 passengers

    83.4%

    Load

  • March 2026

    209 departures · 35,298 passengers

    90.7%

    Load

  • April 2026

    220 departures · 34,150 passengers

    85.2%

    Load

  • May 2026

    180 departures · 28,942 passengers

    89.2%

    Load

  • June 2026

    217 departures · 37,181 passengers

    91.1%

    Load

  • July 2026

    239 departures · 41,825 passengers

    93.1%

    Load

By direction

Each direction is filed separately — they rarely match.

SJU → BWI

94.1% full

121 departures · 21,580 passengers

BWI → SJU

92.0% full

118 departures · 20,245 passengers

Nonstop BWI–SJU traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).

The airports

BWI

Baltimore

US

Baltimore/Washington International Thurgood Marshall Airport

Coordinates

39.18°N, 76.67°W

Hemisphere

N · W

SJU

San Juan

PR

Luis Munoz Marin International Airport

Coordinates

18.44°N, 66.00°W

Hemisphere

N · W

Frequently asked

How far is Baltimore (BWI) from San Juan (SJU)?

BWI to SJU is 1,569 miles (2,525 km / 1,363 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from BWI to SJU?

A nonstop covers the 1,569-mile great-circle distance in roughly 3h 56m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies BWI–SJU?

In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (46.0%), followed by the Airbus A321neo (23.4%).

What mileage do I earn flying BWI–SJU?

Distance-based programs credit off the 1,569-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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