Boise (BOI) to Phoenix (PHX)
Flight time
≈ 2h 16m
Bearing
161° S
Boise (BOI) to Phoenix (PHX) is 736 miles (1,184 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOI–PHX
US DOT T-100 · filed dataIn April 2026, Southwest Airlines operated the most departures, one of 4 carriers flying nonstop BOI–PHX; the Embraer E175 was the most common aircraft at 57% of departures; flights ran 78% full.
Departures
397
April 2026
Seats
41,326
both directions
Passengers
32,084
both directions
Load factor
77.6%
passengers ÷ seats
Who flies BOI–PHX?
Southwest Airlines operated the most nonstop BOI–PHX departures in April 2026 (126), one of 4 carriers on the route.
- WN
Southwest Airlines
126 departures · 21,214 seats
Share of departures31.7%73.8%
Load
- OO
SkyWest Airlines
125 departures · 9,016 seats
Share of departures31.5%83.8%
Load
- QX
Horizon Air
98 departures · 7,448 seats
Share of departures24.7%74.7%
Load
- MQ
Envoy Air
48 departures · 3,648 seats
Share of departures12.1%90.6%
Load
What plane flies BOI–PHX?
In April 2026, the Embraer E175 flew 57% of BOI–PHX departures — more than any other aircraft type.
- Embraer E175
227 departures · 81.3% load
57.2% - Boeing 737 MAX 8
69 departures · 74.6% load
17.4% - Bombardier CRJ-700
44 departures · 84.1% load
11.1% - Boeing 737-800
35 departures · 76.5% load
8.8% - Boeing 737-700
22 departures · 65.2% load
5.5%
How has BOI–PHX traffic changed?
Nonstop BOI–PHX departures fell from 407 in May 2025 to 397 in April 2026.
Monthly nonstop BOI–PHX traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
407 departures · 35,648 passengers
84.9%
Load
June 2025
362 departures · 32,221 passengers
86.3%
Load
July 2025
365 departures · 32,133 passengers
84.9%
Load
August 2025
353 departures · 30,741 passengers
87.2%
Load
September 2025
306 departures · 30,369 passengers
87.1%
Load
October 2025
417 departures · 38,195 passengers
86.0%
Load
November 2025
441 departures · 37,546 passengers
78.7%
Load
December 2025
448 departures · 39,396 passengers
80.7%
Load
January 2026
422 departures · 33,206 passengers
76.8%
Load
February 2026
360 departures · 31,413 passengers
84.5%
Load
March 2026
424 departures · 36,370 passengers
83.2%
Load
April 2026
397 departures · 32,084 passengers
77.6%
Load
By direction
The DOT files each direction separately — they rarely match.
BOI → PHX
77.2% full
199 departures · 16,097 passengers
PHX → BOI
78.1% full
198 departures · 15,987 passengers
Nonstop BOI–PHX 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 Boise (BOI) from Phoenix (PHX)?
BOI to PHX is 736 miles (1,184 km / 639 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOI to PHX?
A nonstop covers the 736-mile great-circle distance in roughly 2h 16m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOI–PHX?
In April 2026, the Embraer E175 flew the largest share of departures (57.2%), followed by the Boeing 737 MAX 8 (17.4%).
What mileage do I earn flying BOI–PHX?
Distance-based programs credit off the 736-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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