UA4480United Airlines · IAD → BUF
live · 2h ago
Route confirmed United Airlines

UA4480 WashingtonIAD · 22:18 BuffaloBUF · 23:44

UA4480 by United Airlines flies from Washington (IAD) to Buffalo (BUF).

Right nowNext departure today Operates daily
22:18

scheduled from IAD

⚖ UA4480 typically leaves +27 and lands −8. The air wins minutes back.
Typical gate push+27 minmedian posted departure
Typical arrival−8 minmedian over 9 operations
Wins back in air~35 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+48+96+144 min
08-19
+27 gate · −8 arrival
08-18
+16 gate · −24 arrival
08-17
+144 gate · +102 arrival
08-16
+27 gate · −8 arrival
08-15
+15 gate · −23 arrival
08-14
+13 gate · −26 arrival
08-13
+4 gate · −36 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 −8 min · 0 cancelled · 9 operations tracked

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
BUFBuffaloOn-time likelyBUF delay board →
IAD→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
3.9%Chance of cancellation
+15 minAvg hub delay right now

Conditions at IAD 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.

Other Washington to Buffalo flights today

same route · United Airlines
UA3514departs 08:25
UA4476departs 08:25
UA3520departs 12:45
UA4335departs 12:50
UA4485departs 12:59
UA4358departs 17:36

If UA4480 is cancelled, these are the other United Airlines nonstop flights from Washington to Buffalo on the same day, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA4480 actually runs

Pro Flight Search has tracked every published board update for UA4480 across the IAD and BUF boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min early. Based on 9 confirmed landings · 7/9 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 UA4480 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
08-19IAD 22:18 22:45 (+27)BUF 23:44 23:36 (−8)
08-18IAD 22:18 22:34 (+16)BUF 23:44 23:20 (−24)
08-17IAD 22:18 00:42 (+144)BUF 23:44 01:26 (+102)
08-16IAD 22:18 22:45 (+27)BUF 23:44 23:36 (−8)
08-15IAD 22:18 22:33 (+15)BUF 23:44 23:21 (−23)
08-14IAD 22:18 22:31 (+13)BUF 23:44 23:18 (−26)
08-13IAD 22:18 22:22 (+4)BUF 23:44 23:08 (−36)
08-12IAD 22:18 22:45 (+27)BUF 23:44 23:36 (−8)
08-11IAD 22:18 23:31 (+73)BUF 23:44 00:19 (+35)

Aircraft

Recent tails: N501GJ, N535GJ, N559GJ, N576GJ.

Board clocks recorded as IAD 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 — UA4480 Washington to Buffalo on-time performance, measured from the IAD and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4480
How we measure this →