UA1335United Airlines · ORD → BUF
live · 21m ago
Route confirmed United Airlines

UA1335 ChicagoORD · 18:00 BuffaloBUF · 20:47

UA1335 by United Airlines flies from Chicago (ORD) to Buffalo (BUF) for the Thu, Oct 15 departure.

Right nowScheduled · gate B20 · as of 10:16
18:00

departs ORD · on schedule

Typical gate push+107 minmedian posted departure
Typical arrival+83 minmedian over 5 operations
Wins back in air~24 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+42+84+126 min
10-15
+83 arrival
10-14
+107 gate · +83 arrival
10-13
−5 gate · −22 arrival
10-12
+126 gate · +123 arrival
10-11
+32 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 +83 min · 0 cancelled · 5 operations tracked

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
BUFBuffaloOn-time likelyBUF delay board →
ORD→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
50%Chance of 15+ min delay
2.3%Chance of cancellation
+20 minAvg hub delay right now

Driven mainly by ORD (Chicago), currently flying MVFR (marginal visual). 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 Chicago to Buffalo flights today

same route · United Airlines
UA265departs 06:50
UA6099departs 08:15
UA4429departs 10:25
UA5275departs 10:25
UA580departs 14:00
UA6087departs 16:00

If UA1335 is cancelled, these are the other United Airlines nonstop flights from Chicago to Buffalo on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA1335 actually runs

Pro Flight Search has tracked every published board update for UA1335 across the ORD and BUF boards: schedule changes, gate pushes and actual clocks. Usually lands ~128 min late. Based on 5 confirmed landings · 1/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1335 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
10-15ORD 18:00BUF 20:47 22:10 (+83)
10-14ORD 18:00 19:47 (+107)BUF 20:47 22:10 (+83)
10-13ORD 18:00 17:55 (−5)BUF 20:47 20:25 (−22)
10-12ORD 18:00 20:06 (+126)BUF 20:47 22:50 (+123)
10-11ORD BUF 20:47 21:19 (+32)

Aircraft

Recent tails: N461UA, N488UA, N435UA, N485UA.

Board clocks recorded as ORD and BUF published them.

Planning around UA1335? 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 — UA1335 Chicago to Buffalo on-time performance, measured from the ORD and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1335
How we measure this →