UA1581United Airlines · ORD → BTV
live · 9m ago
Route confirmed United Airlines

UA1581 ChicagoORD · 07:25 BurlingtonBTV · 10:48

UA1581 by United Airlines flies from Chicago (ORD) to Burlington (BTV).

Right nowNext departure today Operates daily
07:25

scheduled from ORD

⚖ UA1581 typically leaves −5 and lands −20. The air wins minutes back.
Typical gate push−5 minmedian posted departure
Typical arrival−20 minmedian over 10 operations
Wins back in air~15 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 10tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-25
+72 gate · −40 arrival
10-24
−12 gate · −33 arrival
10-23
−5 gate · −13 arrival
10-22
−5 gate · −2 arrival
10-21
−11 gate · −20 arrival
10-20
−4 gate · −6 arrival
10-19
−10 gate · −27 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 −20 min · 0 cancelled · 10 operations tracked

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
BTVBurlingtonOn-time likelyBTV delay board →
ORD→BTVevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
2.6%Chance of cancellation
+11 minAvg hub delay right now

Conditions at ORD and BTV 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 Chicago to Burlington flights today

same route · United Airlines
UA9920departs 11:30
UA2440departs 11:35
UA1124departs 17:50

If UA1581 is cancelled, these are the other United Airlines nonstop flights from Chicago to Burlington 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 UA1581 actually runs

Pro Flight Search has tracked every published board update for UA1581 across the ORD and BTV boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 9 confirmed landings · 7/9 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1581 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
10-25ORD 07:25 08:37 (+72)BTV 10:48 10:08 (−40)
10-24ORD 07:25 07:13 (−12)BTV 10:48 10:15 (−33)
10-23ORD 07:25 07:20 (−5)BTV 10:48 10:35 (−13)
10-22ORD 07:25 07:20 (−5)BTV 10:48 10:46 (−2)
10-21ORD 07:25 07:14 (−11)BTV 10:48 10:28 (−20)
10-20ORD 07:25 07:21 (−4)BTV 10:48 10:42 (−6)
10-19ORD 07:25 07:15 (−10)BTV 10:48 10:21 (−27)
10-18ORD 07:25 08:37 (+72)BTV 10:48 10:08 (−40)
10-17ORD 07:25 07:38 (+13)BTV 10:48 10:44 (−4)
10-16ORD 07:25BTV 10:48 10:16 (−32)

Aircraft

Recent tails: N431UA, N443UA, N489UA, N441UA.

Board clocks recorded as ORD and BTV published them.

Planning around UA1581? 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 — UA1581 Chicago to Burlington on-time performance, measured from the ORD and BTV airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1581
How we measure this →