Southwest AirlinesWN83% on time
Flights WN945 05:00 Mo Th Fr · WN2871 10:10 Mo Su · WN1915 13:00 Mo Th Fr · WN735 17:25 Tu We
live
Direct flights from Phoenix (PHX) to Buffalo (BUF): 10 nonstop departures observed each week across 1 airline. 86% of the last 7 tracked flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 9 tracked flights. The nonstop covers 3,071 km, an estimated 4 hours 26 minutes in the air. Measured by Pro Flight Search from live flight boards at Phoenix and Buffalo. Updated 3 November 2026 at 02:36 UTC.
Today, PHX → BUF
Mon 2 Nov · local times- 10:10 WN2871Southwest Left 10:03 Landed 15:59 −16
Checked PHX board 20:07 · BUF board 21:36
PHX
Phoenix
busy · +20
BUF
Buffalo
smooth · +0
3,071 km · ~4h 26m est.
Runs reliable · 1 airline · 10x weekly · nonstop
86% on time
of the last 7 tracked PHX → BUF flights arrived within 15 minutes
Median arrival delay is −1 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−1 minacross the last 7 arrivals
Flight time~4h 26mestimated from route distance
Weekly departures10x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomes10-31WUP950arrived−1
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Conditions are tightest at PHX and BUF: a 37% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +8 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the Phoenix to Buffalo route actually runs
Pro Flight Search records official board updates for nonstop PHX to BUF flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search: Phoenix (PHX) to Buffalo (BUF) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/PHX-BUF
PHX to BUF questions
Is PHX–BUF running on time right now?
Smooth skies ahead. The departure side at PHX is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on PHX–BUF?
Operators schedule morning departures around 05:00 and evening departures around 17:25 from PHX. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BUF delay card to confirm conditions when you'd arrive.
How long is the flight from PHX to BUF?
Great-circle distance is 3,071 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 247–293 min gate-to-gate on this route.
How often does PHX–BUF fly?
Southwest Airlines runs the route with about 10 flights a week (sun, mon, tue, wed, thu, fri). Since one carrier owns the route, a single disruption tends to ripple through the day.
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