Boston (BOS) to Philadelphia (PHL)
Flight time
≈ 1h 22m
Bearing
233° SW
Boston (BOS) to Philadelphia (PHL) is 279 miles (450 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–PHL
US DOT T-100 · filed dataIn April 2026, American Airlines operated the most departures, one of 5 carriers flying nonstop BOS–PHL; the Embraer E175 was the most common aircraft at 36% of departures; flights ran 77% full.
Departures
848
April 2026
Seats
103,633
both directions
Passengers
79,541
both directions
Load factor
76.8%
passengers ÷ seats
Who flies BOS–PHL?
American Airlines operated the most nonstop BOS–PHL departures in April 2026 (373), one of 5 carriers on the route.
- AA
American Airlines
373 departures · 56,962 seats
Share of departures44.0%78.5%
Load
- YX
Republic Airways
301 departures · 22,851 seats
Share of departures35.5%81.5%
Load
- B6
JetBlue Airways
166 departures · 23,240 seats
Share of departures19.6%68.3%
Load
- DL
Delta Air Lines
7 departures · 504 seats
Share of departures0.8%61.9%
Load
- OH
PSA Airlines
1 departures · 76 seats
Share of departures0.1%27.6%
Load
What plane flies BOS–PHL?
In April 2026, the Embraer E175 flew 36% of BOS–PHL departures — more than any other aircraft type.
- Embraer E175
301 departures · 81.5% load
35.5% - Airbus A220-300
166 departures · 68.3% load
19.6% - Airbus A319
125 departures · 81.9% load
14.7% - Airbus A320
111 departures · 77.8% load
13.1% - Boeing 737-800
90 departures · 77.9% load
10.6% - Airbus A321
36 departures · 74.4% load
4.3% - Boeing 757-200
7 departures · 61.9% load
0.8% - Boeing 737 MAX 8
7 departures · 80.8% load
0.8% - Airbus A321neo
4 departures · 68.4% load
0.5% - Bombardier CRJ-900
1 departures · 27.6% load
0.1%
How has BOS–PHL traffic changed?
Nonstop BOS–PHL departures fell from 887 in May 2025 to 848 in April 2026.
Monthly nonstop BOS–PHL traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
887 departures · 88,131 passengers
86.1%
Load
June 2025
806 departures · 86,082 passengers
85.2%
Load
July 2025
789 departures · 85,901 passengers
85.0%
Load
August 2025
804 departures · 90,854 passengers
85.0%
Load
September 2025
843 departures · 89,248 passengers
78.2%
Load
October 2025
915 departures · 102,177 passengers
79.8%
Load
November 2025
793 departures · 77,978 passengers
74.7%
Load
December 2025
722 departures · 69,517 passengers
78.3%
Load
January 2026
683 departures · 55,612 passengers
73.9%
Load
February 2026
667 departures · 56,443 passengers
77.7%
Load
March 2026
852 departures · 74,010 passengers
79.7%
Load
April 2026
848 departures · 79,541 passengers
76.8%
Load
By direction
The DOT files each direction separately — they rarely match.
BOS → PHL
77.9% full
426 departures · 40,480 passengers
PHL → BOS
75.6% full
422 departures · 39,061 passengers
Nonstop BOS–PHL traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Boston (BOS) from Philadelphia (PHL)?
BOS to PHL is 279 miles (450 km / 243 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to PHL?
A nonstop covers the 279-mile great-circle distance in roughly 1h 22m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–PHL?
In April 2026, the Embraer E175 flew the largest share of departures (35.5%), followed by the Airbus A220-300 (19.6%).
What mileage do I earn flying BOS–PHL?
Distance-based programs credit off the 279-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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