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 May 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 47% of departures; flights ran 89% full.

Departures

180

May 2026

Seats

32,432

both directions

Passengers

28,942

both directions

Load factor

89.2%

RPM ÷ ASM

Who flies BWI–SJU?

Southwest Airlines operated the most nonstop BWI–SJU departures in May 2026 (144), one of 3 carriers on the route.

What plane flies BWI–SJU?

In May 2026, the Boeing 737 MAX 8 flew 47% of BWI–SJU departures — more than any other aircraft type.

How has BWI–SJU traffic changed?

Nonstop BWI–SJU departures fell from 265 in June 2025 to 180 in May 2026.

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

  • June 2025

    265 departures · 41,346 passengers

    87.4%

    Load

  • July 2025

    276 departures · 46,224 passengers

    89.5%

    Load

  • 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

By direction

Each direction is filed separately — they rarely match.

BWI → SJU

87.6% full

90 departures · 14,117 passengers

SJU → BWI

90.9% full

90 departures · 14,825 passengers

Nonstop BWI–SJU traffic has been filed since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 May 2026, the Boeing 737 MAX 8 flew the largest share of departures (46.7%), followed by the Boeing 737-800 (30.6%).

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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