United Airlines

UA1186Chicago to Boston

Name: United Airlines UA1186 Chicago to Boston: on-time record
Creator: TripStow
License: https://tripstow.com/notices

United Airlines flight UA1186 flies from Chicago O'Hare (ORD) to Boston (BOS), 1,391 km. Over August 2025 to July 2026 it usually arrives about 2 minutes early: 86% of 336 flights arrived within 15 minutes of schedule and 0.3% were cancelled (US Department of Transportation data).

On-time record, last 12 months

86%

on time (within 15 min)

more than 30 min late

0.3%

cancelled

-2 min

average arrival vs schedule

Every operation of UA1186, August 2025 to July 2026: 336 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as UA1186

Chicago O'Hare (ORD) to Boston (BOS)61 flights
Denver (DEN) to Reno Tahoe (RNO)55 flights
Denver (DEN) to Asheville (AVL)53 flights
Cleveland Hopkins (CLE) to Tampa (TPA)42 flights
Austin Bergstrom (AUS) to Denver (DEN)35 flights
Denver (DEN) to Tulsa (TUL)31 flights
Newark Liberty (EWR) to Salt Lake City (SLC)24 flights
Reno Tahoe (RNO) to San Francisco (SFO)18 flights
Newark Liberty (EWR) to Miami (MIA)16 flights
San Francisco (SFO) to Detroit (DTW)1 flights

Other flights from Chicago to Boston

UA1032 UA1044 UA1076 UA1117 UA1129 UA1182 UA1262 UA1269 UA1278 UA1332 UA1491 AA1033

More about Chicago O'Hare (ORD) and Boston (BOS).

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