BUF → DENBuffalo to Denver

live

Direct flights from Buffalo (BUF) to Denver (DEN): 14 nonstop departures observed each week across 2 airlines. 67% of the last 9 operated 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 2,182 km, an estimated 3 hours 18 minutes in the air. Measured by Pro Flight Search from live flight boards at Buffalo and Denver. Updated 14 October 2026 at 04:12 UTC.

Today, BUF → DEN

Wed 14 Oct · local times
  1. · UA1727United Airlines On schedule DEN 10:22scheduled
  2. · WN330Southwest Airlines On schedule DEN 17:30scheduled

Checked BUF board 22:18 · DEN board 22:12

BUF Buffalo smooth · +8
DEN Denver smooth · +4
2,182 km · ~3h 18m est.
dep bank 08:45–16:5014x weekly
Runs mixed · 2 airlines · 14x weekly · nonstop
67% on time

of the last 9 operated BUF → DEN 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 9 operated legs
Flight time~3h 18mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest AirlinesUnited 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 days
Southwest AirlinesWN

Flights WN1461 10:20 Su · WN330 16:00 Tu We · WN665 16:00 Sa · WN839 16:50 Mo Th Fr

United AirlinesUA100% on time

Flights UA1727 08:45 daily

History

operated legs · board outcomes
10-13UA1727dep +8 → arr+3
10-13WN330dep +26 → arr+25
10-12UA1727dep +5 → arr−8
10-12WN839dep +81 → arr+76
10-11UA1727dep +11 → arr−14
10-11WN1461dep +8 → arr−15
10-10UA1727dep +4 → arr−11
10-10WN665dep +100 → arr+88
10-09UA1727departed+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 boards
BUFBuffalo +8 min smooth 🌤 few clouds · WNW 8 kt Full BUF delay board →
DENDenver +4 min smooth 🌤 mostly cloudy · ENE 3 kt Full DEN delay board →

Weather lens

Current conditions put the pressure at BUF and DEN: 43% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Buffalo to Denver route actually runs

Pro Flight Search records official board updates for nonstop BUF to DEN 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 — Buffalo (BUF) to Denver (DEN) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BUF-DEN
How we measure this →

BUF to DEN questions

Is BUF–DEN running on time right now?

Smooth skies ahead. The departure side at BUF is the weaker end, route health score 90/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BUF–DEN?

Operators schedule morning departures around 08:45 from BUF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DEN delay card to confirm conditions when you'd arrive.

How long is the flight from BUF to DEN?

Great-circle distance is 2,182 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 184–217 min gate-to-gate on this route.

How often does BUF–DEN fly?

2 carriers operate this route, around 14 flights a week between them. Compare carrier days and times in the airline list above.