UA3581United Airlines · YOW → ORD
live · 53m ago
Route confirmed United Airlines

UA3581 OttawaYOW ChicagoORD · 08:00

UA3581 by United Airlines flies from Ottawa (YOW) to Chicago (ORD) for the Thu, Nov 5 departure.

Right nowExpected in Chicago · today
08:00

arrival expected at ORD · on schedule

Typical arrival−17 minmedian over 11 operations
Cancellation0 in 11tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-04
−26 arrival
11-03
−31 arrival
11-02
−41 arrival
11-01
−17 arrival
10-31
−10 arrival
10-30
−28 arrival
10-29
−14 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 −17 min · 0 cancelled · 11 operations tracked

The route today

live boards
YOWOttawaOn-time likelyYOW delay board →
ORDChicagoHigh riskORD delay board →
YOW→ORDevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at Chicago

Forecast

Fri 6 Nov, local date

High9°Clikely 8°C to 11°C
Low6°Clikely 3°C to 8°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 UA3581 actually runs

Pro Flight Search has tracked every published board update for UA3581 across the YOW and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~17 min early. Based on 11 confirmed landings · 11/11 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA3581 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-04YOW ORD 08:00 07:34 (−26)
11-03YOW ORD 08:00 07:29 (−31)
11-02YOW ORD 08:00 07:19 (−41)
11-01YOW ORD 08:00 07:43 (−17)
10-31YOW ORD 08:00 07:50 (−10)
10-30YOW ORD 08:00 07:32 (−28)
10-29YOW ORD 08:00 07:46 (−14)
10-28YOW ORD 08:00 08:01 (+1)
10-27YOW ORD 08:00 07:49 (−11)
10-26YOW ORD 08:00 07:49 (−11)
10-25YOW ORD 08:00 07:12 (−48)

Board clocks recorded as YOW and ORD published them.

Planning around UA3581? 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: UA3581 Ottawa to Chicago on-time performance, measured from the YOW and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3581
How we measure this →