Ontario (ONT) to Phoenix (PHX)
Flight time
≈ 1h 27m
Bearing
96° E
Ontario (ONT) to Phoenix (PHX) is 324 miles (522 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ONT–PHX
US DOT T-100 · filed dataIn April 2026, Southwest Airlines operated the most departures, one of 3 carriers flying nonstop ONT–PHX; the Boeing 737 MAX 8 was the most common aircraft at 24% of departures; flights ran 71% full.
Departures
505
April 2026
Seats
78,446
both directions
Passengers
55,764
both directions
Load factor
71.1%
passengers ÷ seats
Who flies ONT–PHX?
Southwest Airlines operated the most nonstop ONT–PHX departures in April 2026 (276), one of 3 carriers on the route.
- WN
Southwest Airlines
276 departures · 44,576 seats
Share of departures54.7%68.6%
Load
- AA
American Airlines
181 departures · 30,222 seats
Share of departures35.8%72.7%
Load
- MQ
Envoy Air
48 departures · 3,648 seats
Share of departures9.5%88.1%
Load
What plane flies ONT–PHX?
In April 2026, the Boeing 737 MAX 8 flew 24% of ONT–PHX departures — more than any other aircraft type.
- Boeing 737 MAX 8
120 departures · 66.7% load
23.8% - Boeing 737-700
98 departures · 71.7% load
19.4% - Boeing 737-800
82 departures · 66.8% load
16.2% - Airbus A320
72 departures · 79.5% load
14.3% - Airbus A321
69 departures · 69.1% load
13.7% - Embraer E175
48 departures · 88.1% load
9.5% - Airbus A319
14 departures · 82.0% load
2.8% - Airbus A321neo
2 departures · 69.9% load
0.4%
How has ONT–PHX traffic changed?
Nonstop ONT–PHX departures fell from 588 in May 2025 to 505 in April 2026.
Monthly nonstop ONT–PHX traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
588 departures · 67,044 passengers
71.7%
Load
June 2025
521 departures · 58,495 passengers
73.1%
Load
July 2025
528 departures · 59,223 passengers
73.1%
Load
August 2025
481 departures · 53,834 passengers
71.5%
Load
September 2025
457 departures · 53,545 passengers
74.2%
Load
October 2025
519 departures · 59,831 passengers
72.8%
Load
November 2025
535 departures · 57,626 passengers
65.6%
Load
December 2025
566 departures · 64,402 passengers
70.6%
Load
January 2026
523 departures · 53,286 passengers
65.7%
Load
February 2026
481 departures · 50,567 passengers
66.5%
Load
March 2026
577 departures · 63,802 passengers
67.4%
Load
April 2026
505 departures · 55,764 passengers
71.1%
Load
By direction
The DOT files each direction separately — they rarely match.
ONT → PHX
68.1% full
253 departures · 27,017 passengers
PHX → ONT
74.2% full
252 departures · 28,747 passengers
Nonstop ONT–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 Ontario (ONT) from Phoenix (PHX)?
ONT to PHX is 324 miles (522 km / 282 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ONT to PHX?
A nonstop covers the 324-mile great-circle distance in roughly 1h 27m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ONT–PHX?
In April 2026, the Boeing 737 MAX 8 flew the largest share of departures (23.8%), followed by the Boeing 737-700 (19.4%).
What mileage do I earn flying ONT–PHX?
Distance-based programs credit off the 324-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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