Boston (BOS) to Miami (MIA)
Flight time
≈ 3h 19m
Bearing
208° SW
Boston (BOS) to Miami (MIA) is 1,260 miles (2,028 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–MIA
Filed traffic dataIn June 2026, American Airlines operated the most departures, one of 2 carriers flying nonstop BOS–MIA; the Boeing 737-800 was the most common aircraft at 59% of departures; flights ran 84% full.
Departures
527
June 2026
Seats
92,667
both directions
Passengers
78,045
both directions
Load factor
84.2%
RPM ÷ ASM
Who flies BOS–MIA?
American Airlines operated the most nonstop BOS–MIA departures in June 2026 (403), one of 2 carriers on the route.
- AA
403 departures · 72,530 seats
Share of departures76.5%86.3%
Load
- DL
124 departures · 20,137 seats
Share of departures23.5%76.7%
Load
What plane flies BOS–MIA?
In June 2026, the Boeing 737-800 flew 59% of BOS–MIA departures — more than any other aircraft type.
- Boeing 737-800
309 departures · 84.3% load
58.6% - Airbus A321
136 departures · 82.2% load
25.8% - Airbus A321neo
53 departures · 86.7% load
10.1% - Boeing 737 MAX 8
15 departures · 90.5% load
2.9% - Airbus A319
12 departures · 88.3% load
2.3% - Boeing 777-200
2 departures · 82.8% load
0.4%
How has BOS–MIA traffic changed?
Nonstop BOS–MIA departures fell from 574 in July 2025 to 527 in June 2026.
Monthly nonstop BOS–MIA traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
574 departures · 86,759 passengers
89.3%
Load
August 2025
574 departures · 88,917 passengers
89.7%
Load
September 2025
446 departures · 65,558 passengers
85.0%
Load
October 2025
498 departures · 75,741 passengers
88.1%
Load
November 2025
506 departures · 73,540 passengers
84.8%
Load
December 2025
542 departures · 79,518 passengers
85.1%
Load
January 2026
571 departures · 85,292 passengers
84.4%
Load
February 2026
582 departures · 88,600 passengers
82.6%
Load
March 2026
634 departures · 100,443 passengers
87.7%
Load
April 2026
664 departures · 94,058 passengers
80.0%
Load
May 2026
557 departures · 82,042 passengers
85.3%
Load
June 2026
527 departures · 78,045 passengers
84.2%
Load
By direction
Each direction is filed separately — they rarely match.
MIA → BOS
84.9% full
264 departures · 39,405 passengers
BOS → MIA
83.5% full
263 departures · 38,640 passengers
Nonstop BOS–MIA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Boston (BOS) from Miami (MIA)?
BOS to MIA is 1,260 miles (2,028 km / 1,095 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to MIA?
A nonstop covers the 1,260-mile great-circle distance in roughly 3h 19m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–MIA?
In June 2026, the Boeing 737-800 flew the largest share of departures (58.6%), followed by the Airbus A321 (25.8%).
What mileage do I earn flying BOS–MIA?
Distance-based programs credit off the 1,260-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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