UA1186United Airlines · ORD → BOS
live · 36m ago
Route confirmed United Airlines

UA1186 ChicagoORD · 06:00 BostonBOS · 09:19

UA1186 by United Airlines flies from Chicago (ORD) to Boston (BOS) for the Tue, Nov 10 departure.

Right nowScheduled · gate C15 · as of 02:08
06:00

departs ORD · on schedule

Typical gate push−7 minmedian posted departure
Typical arrival−7 minmedian over 5 operations

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-09
−4 gate · −5 arrival
11-08
−8 gate · −5 arrival
11-06
−6 gate · −7 arrival
11-05
−10 gate · −7 arrival
11-03
−19 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 −7 min · 0 cancelled · 5 operations tracked

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
BOSBostonModerate riskBOS delay board →
ORD→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
2.4%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at ORD and BOS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow at Chicago

Forecast

Wed 11 Nov, local date

High13°Clikely 10°C to 16°C
Low5°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.

Tomorrow at Boston

Forecast

Wed 11 Nov, local date

High14°Clikely 12°C to 17°C
Low7°Clikely 5°C to 10°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.

Other Chicago to Boston flights today

same route · United Airlines
UA2213departs 07:00
UA1117departs 09:13
UA1606departs 10:30
UA2220departs 12:11
UA1580departs 12:46
UA2101departs 13:59

If UA1186 is cancelled, these are the other United Airlines nonstop flights from Chicago to Boston on the same day, with scheduled departure times in ORD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA1186 actually runs

Pro Flight Search has tracked every published board update for UA1186 across the ORD and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands ~19 min early. Based on 1 confirmed landing · 1/1 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 UA1186 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
11-09ORD 06:05 06:01 (−4)BOS 09:23 09:18 (−5)
11-08ORD 06:15 06:07 (−8)BOS 09:34 09:29 (−5)
11-06ORD 06:15 06:09 (−6)BOS 09:34 09:27 (−7)
11-05ORD 06:05 05:55 (−10)BOS 09:23 09:16 (−7)
11-03ORD BOS 09:19 09:00 (−19)

Board clocks recorded as ORD and BOS 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: UA1186 Chicago to Boston on-time performance, measured from the ORD and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1186
How we measure this →