UA248United Airlines · DEN → BUF
live · just now
Route confirmed United Airlines

UA248 DenverDEN · 17:25 BuffaloBUF · 22:37

UA248 by United Airlines flies from Denver (DEN) to Buffalo (BUF) for the Wed, Sep 9 departure.

Right nowLanded in Buffalo · position data
22:18

landed at BUF · confirmed by live position

⚖ UA248 typically leaves +0 and lands −11. The air wins minutes back.
Typical gate push+0 minmedian posted departure
Typical arrival−11 minmedian over 9 operations
Wins back in air~11 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+33+66+99 min
09-09
−1 gate · −19 arrival
09-08
−6 gate · −32 arrival
09-07
+99 gate · +77 arrival
09-06
−2 gate · −16 arrival
09-05
+5 gate · −10 arrival
09-04
+7 gate · −8 arrival
09-03
+7 gate · −11 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −11 min · 0 cancelled · 9 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
BUFBuffaloOn-time likelyBUF delay board →
DEN→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
3.5%Chance of cancellation
+11 minAvg hub delay right now

Conditions at DEN and BUF are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How UA248 actually runs

Pro Flight Search has tracked every published board update for UA248 across the DEN and BUF boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 9 confirmed landings · 8/9 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how UA248 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-09DEN 17:25 17:24 (−1)BUF 22:37 22:18 (−19)
09-08DEN 17:25 17:19 (−6)BUF 22:37 22:05 (−32)
09-07DEN 17:25 19:04 (+99)BUF 22:37 23:54 (+77)
09-06DEN 17:25 17:23 (−2)BUF 22:37 22:21 (−16)
09-05DEN 17:25 17:30 (+5)BUF 22:37 22:27 (−10)
09-04DEN 17:25 17:32 (+7)BUF 22:37 22:29 (−8)
09-03DEN 17:25 17:32 (+7)BUF 22:37 22:26 (−11)
09-02DEN 17:25 17:24 (−1)BUF 22:37 22:15 (−22)
09-01DEN 17:25 (+0)BUF 22:37 22:28 (−9)

Aircraft

Recent tails: N37277, N24211, N35271, N14237.

Board clocks recorded as DEN and BUF published them.

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 — UA248 Denver to Buffalo on-time performance, measured from the DEN and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA248
How we measure this →