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United Airlines

Is UA1186 delayed?

No, UA1186 landed in Boston 2 min early, at 09:27 on Nov 13 (as of Nov 13, 14:27 UTC).

Usually on time: arrived within 15 min of schedule on 27 of the last 28 flights.

Arrived

2 min early

Official source · Updated

Departure

Chicago

ORD

Actual

Scheduled 06:34

Nov 13

Arrival

Boston

BOS

Actual

Scheduled 09:29

Nov 13

Times shown in airport local time

Service date: · Scheduled departure date (America/Chicago)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Route overview: Chicago → BostonORDBOS
Chicago → Boston

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • Chicago → Boston

    2 min early
  • Chicago → Boston

    9 min early
  • Houston → San Antonio

    3 min early
  • Chicago → Boston

    17 min early
  • Chicago → Boston

    17 min early

Is UA1186 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
28
On time
96%
of 28 arrivals
Late
4%
of 28 arrivals
Cancelled
0%
of 28 flights
Median arrival delay
10 min early
9 in 10 arrived within
0 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Chicago (ORD) departures

Left more than 15 min late
69 of 167
Cancelled today
135
Flights from Chicago to Boston today

Boston (BOS) departures

Left more than 15 min late
28 of 55
Cancelled today
53

All United Airlines flights

Flight history and details
UA1186 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026ArrivedChicagoBoston-2
Nov 12, 2026ArrivedChicagoBoston-9
Nov 11, 2026ArrivedHoustonSan Antonio-3
Nov 10, 2026ArrivedChicagoBoston-17
Nov 9, 2026ArrivedChicagoBoston-17
Nov 8, 2026ArrivedChicagoBoston-19
Nov 7, 2026ArrivedHoustonSan Antonio-17
Nov 6, 2026ArrivedChicagoBoston-11
Nov 5, 2026ArrivedChicagoBoston-5
Nov 4, 2026ArrivedHoustonSan Antonio1
Nov 3, 2026ArrivedChicagoBoston-19
Nov 2, 2026ArrivedChicagoBoston-16
Nov 1, 2026ArrivedChicagoBoston-8
Oct 31, 2026ArrivedHoustonSan Antonio-7
Oct 30, 2026ArrivedChicagoBoston-20
Oct 29, 2026ArrivedChicagoBoston-21
Oct 28, 2026ArrivedHoustonSan Antonio7
Oct 27, 2026ArrivedChicagoBoston-18
Oct 26, 2026ArrivedChicagoBoston-13
Oct 25, 2026ArrivedChicagoBoston0
Oct 24, 2026ArrivedChicagoBoston-18
Oct 23, 2026ArrivedChicagoBoston-12
Oct 22, 2026ArrivedChicagoBoston-7
Oct 21, 2026ArrivedChicagoBoston-3
Oct 20, 2026ArrivedChicagoBoston-6
Oct 19, 2026ArrivedChicagoBoston-13
Oct 18, 2026ArrivedChicagoBoston0
Oct 17, 2026ArrivedChicagoBoston91
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