Boston (BOS) to San Diego (SAN)
Flight time
≈ 5h 58m
Bearing
271° W
Boston (BOS) to San Diego (SAN) is 2,582 miles (4,156 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–SAN
Filed traffic dataIn July 2026, JetBlue Airways operated the most departures, one of 4 carriers flying nonstop BOS–SAN; the Airbus A321neo was the most common aircraft at 50% of departures; flights ran 90% full.
Departures
414
July 2026
Seats
70,352
both directions
Passengers
63,337
both directions
Load factor
90.0%
RPM ÷ ASM
Who flies BOS–SAN?
JetBlue Airways operated the most nonstop BOS–SAN departures in July 2026 (169), one of 4 carriers on the route.
- B6
169 departures · 26,796 seats
Share of departures40.8%91.0%
Load
- AS
121 departures · 20,682 seats
Share of departures29.2%90.4%
Load
- DL
62 departures · 12,024 seats
Share of departures15.0%89.0%
Load
- WN
62 departures · 10,850 seats
Share of departures15.0%88.1%
Load
What plane flies BOS–SAN?
In July 2026, the Airbus A321neo flew 50% of BOS–SAN departures — more than any other aircraft type.
- Airbus A321neo
207 departures · 90.3% load
50.0% - Boeing 737 MAX 8
60 departures · 88.1% load
14.5% - Boeing 737-800
52 departures · 90.6% load
12.6% - Boeing 737 MAX 9
44 departures · 90.5% load
10.6% - Boeing 737-900ER
27 departures · 89.7% load
6.5% - Airbus A321
24 departures · 90.5% load
5.8%
How has BOS–SAN traffic changed?
Nonstop BOS–SAN departures rose from 350 in August 2025 to 414 in July 2026.
Monthly nonstop BOS–SAN traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
350 departures · 51,051 passengers
86.3%
Load
September 2025
262 departures · 38,302 passengers
84.4%
Load
October 2025
320 departures · 48,466 passengers
86.0%
Load
November 2025
271 departures · 38,586 passengers
83.3%
Load
December 2025
259 departures · 38,376 passengers
85.7%
Load
January 2026
224 departures · 30,588 passengers
78.7%
Load
February 2026
208 departures · 30,052 passengers
83.9%
Load
March 2026
297 departures · 41,837 passengers
83.1%
Load
April 2026
288 departures · 41,570 passengers
85.5%
Load
May 2026
326 departures · 45,292 passengers
81.4%
Load
June 2026
404 departures · 60,257 passengers
87.6%
Load
July 2026
414 departures · 63,337 passengers
90.0%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → SAN
91.3% full
207 departures · 32,014 passengers
SAN → BOS
88.8% full
207 departures · 31,323 passengers
Nonstop BOS–SAN 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
Frequently asked
How far is Boston (BOS) from San Diego (SAN)?
BOS to SAN is 2,582 miles (4,156 km / 2,244 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to SAN?
A nonstop covers the 2,582-mile great-circle distance in roughly 5h 58m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–SAN?
In July 2026, the Airbus A321neo flew the largest share of departures (50.0%), followed by the Boeing 737 MAX 8 (14.5%).
What mileage do I earn flying BOS–SAN?
Distance-based programs credit off the 2,582-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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