Boston (BOS) to Portland (PDX)
Flight time
≈ 5h 52m
Bearing
293° NW
Boston (BOS) to Portland (PDX) is 2,530 miles (4,072 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–PDX
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop BOS–PDX; the Boeing 737 MAX 9 was the most common aircraft at 43% of departures; flights ran 85% full.
Departures
122
May 2026
Seats
20,551
both directions
Passengers
17,420
both directions
Load factor
84.8%
RPM ÷ ASM
Who flies BOS–PDX?
Alaska Airlines operated the most nonstop BOS–PDX departures in May 2026 (100), one of 2 carriers on the route.
- AS
100 departures · 17,471 seats
Share of departures82.0%87.3%
Load
- B6
22 departures · 3,080 seats
Share of departures18.0%70.3%
Load
What plane flies BOS–PDX?
In May 2026, the Boeing 737 MAX 9 flew 43% of BOS–PDX departures — more than any other aircraft type.
- Boeing 737 MAX 9
53 departures · 87.6% load
43.4% - Boeing 737-900ER
28 departures · 86.0% load
22.9% - Airbus A220-300
22 departures · 70.3% load
18.0% - Boeing 737-800
17 departures · 88.0% load
13.9% - Boeing 737 MAX 8
2 departures · 94.1% load
1.6%
How has BOS–PDX traffic changed?
Nonstop BOS–PDX departures fell from 180 in June 2025 to 122 in May 2026.
Monthly nonstop BOS–PDX 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 · 28,684 passengers
89.6%
Load
July 2025
181 departures · 30,540 passengers
92.4%
Load
August 2025
175 departures · 29,752 passengers
91.7%
Load
September 2025
99 departures · 15,604 passengers
88.1%
Load
October 2025
93 departures · 14,849 passengers
89.7%
Load
November 2025
75 departures · 11,616 passengers
88.0%
Load
December 2025
77 departures · 11,892 passengers
88.6%
Load
January 2026
58 departures · 7,714 passengers
76.6%
Load
February 2026
42 departures · 5,777 passengers
77.8%
Load
March 2026
73 departures · 10,536 passengers
82.4%
Load
April 2026
89 departures · 12,982 passengers
82.9%
Load
May 2026
122 departures · 17,420 passengers
84.8%
Load
By direction
Each direction is filed separately — they rarely match.
PDX → BOS
84.3% full
62 departures · 8,763 passengers
BOS → PDX
85.2% full
60 departures · 8,657 passengers
Nonstop BOS–PDX 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
Frequently asked
How far is Boston (BOS) from Portland (PDX)?
BOS to PDX is 2,530 miles (4,072 km / 2,199 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to PDX?
A nonstop covers the 2,530-mile great-circle distance in roughly 5h 52m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–PDX?
In May 2026, the Boeing 737 MAX 9 flew the largest share of departures (43.4%), followed by the Boeing 737-900ER (22.9%).
What mileage do I earn flying BOS–PDX?
Distance-based programs credit off the 2,530-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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