Boston (BOS) to Frankfurt am Main (FRA)
Flight time
≈ 8h 07m
Bearing
52° NE
Boston (BOS) to Frankfurt am Main (FRA) is 3,659 miles (5,889 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–FRA
Filed traffic dataIn May 2026, Lufthansa operated the most departures, one of 2 carriers flying nonstop BOS–FRA; the Boeing 747-400 was the most common aircraft at 89% of departures; flights ran 82% full.
Departures
64
May 2026
Seats
23,643
both directions
Passengers
19,359
both directions
Load factor
81.9%
RPM ÷ ASM
Who flies BOS–FRA?
Lufthansa operated the most nonstop BOS–FRA departures in May 2026 (63), one of 2 carriers on the route.
- LH
Lufthansa
63 departures · 23,367 seats
Share of departures98.4%81.8%
Load
- UA
1 departures · 276 seats
Share of departures1.6%84.1%
Load
What plane flies BOS–FRA?
In May 2026, the Boeing 747-400 flew 89% of BOS–FRA departures — more than any other aircraft type.
- Boeing 747-400
57 departures · 82.2% load
89.1% - Boeing 747-8
4 departures · 83.2% load
6.3% - Boeing 777-200
1 departures · 84.1% load
1.6% - Airbus A330-200
1 departures · 47.4% load
1.6% - Airbus A380-800
1 departures · 79.2% load
1.6%
How has BOS–FRA traffic changed?
Nonstop BOS–FRA departures fell from 180 in June 2025 to 64 in May 2026.
Monthly nonstop BOS–FRA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
180 departures · 46,402 passengers
80.6%
Load
July 2025
186 departures · 43,017 passengers
79.7%
Load
August 2025
187 departures · 49,616 passengers
83.4%
Load
September 2025
164 departures · 34,081 passengers
72.3%
Load
October 2025
140 departures · 30,281 passengers
76.0%
Load
November 2025
58 departures · 13,449 passengers
82.5%
Load
December 2025
60 departures · 14,891 passengers
88.3%
Load
January 2026
53 departures · 11,778 passengers
83.8%
Load
February 2026
51 departures · 9,240 passengers
70.0%
Load
March 2026
60 departures · 15,275 passengers
69.7%
Load
April 2026
50 departures · 12,425 passengers
73.1%
Load
May 2026
64 departures · 19,359 passengers
81.9%
Load
By direction
Each direction is filed separately — they rarely match.
FRA → BOS
78.2% full
33 departures · 9,403 passengers
BOS → FRA
85.6% full
31 departures · 9,956 passengers
Nonstop BOS–FRA 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
Frankfurt am Main
DE
Frankfurt Main Airport
Coordinates
50.03°N, 8.56°E
Hemisphere
N · E
Frequently asked
How far is Boston (BOS) from Frankfurt am Main (FRA)?
BOS to FRA is 3,659 miles (5,889 km / 3,180 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to FRA?
A nonstop covers the 3,659-mile great-circle distance in roughly 8h 07m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–FRA?
In May 2026, the Boeing 747-400 flew the largest share of departures (89.1%), followed by the Boeing 747-8 (6.3%).
What mileage do I earn flying BOS–FRA?
Distance-based programs credit off the 3,659-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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