ON TIMEBOARD
United Airlines / BOS → ORD

UA 1732 on time

United Airlines 1732: Boston to Chicago at 12:30 p.m.; Chicago to Cincinnati at 6:05 p.m. (past 12 months). Figures below the title are for BOS → ORD, its busiest leg

On time
83%
332 flights · likely 78–87%
Cancelled
1.2%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+108 min
average delay
Similar flights
82%
UA, same route & hour

About 1 in 6 UA 1732 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (17%); 1.2% were cancelled. The typical flight landed 9 minutes early.

UA 1732: BOS → ORD

Scheduled to leave Boston at 12:30 p.m. local time. Over the past year it arrived on time 83% of the time (332 flights), in line with other UA flights on the route at that hour (82%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Sep 2025: 77% on time (30 flights)77SepOct 2025: 81% on time (31 flights)81OctNov 2025: 79% on time (29 flights)79NovDec 2025: 87% on time (31 flights)87DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 71% on time (24 flights)71MarApr 2026: 96% on time (26 flights)96AprMay 2026: 87% on time (31 flights)87MayJun 2026: 93% on time (30 flights)93JunJul 2026: 74% on time (31 flights)74JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday4772%
Tuesday4986%
Wednesday4988%
Thursday4885%
Friday4994%
Saturday4178%
Sunday4976%

Why it was late

Air traffic & airport (NAS) 85%Late inbound plane 9%Airline (crew, maintenance, ops) 3%Severe weather 2%

All flights BOS → ORD · Connecting off UA 1732? Check the risk

UA 1732: ORD → CVG

Scheduled to leave Chicago at 6:05 p.m. local time. Over the past year it arrived on time 63% of the time (192 flights), in line with other UA flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Oct 2025: too few flights (6 flights)OctNov 2025: 71% on time (28 flights)71NovDec 2025: too few flights (14 flights)DecJan 2026: 52% on time (31 flights)52JanFeb 2026: 59% on time (27 flights)59FebMar 2026: 55% on time (31 flights)55MarApr 2026: too few flights (14 flights)AprMay 2026: 60% on time (20 flights)60MayAug 2026: 62% on time (21 flights)62Aug

By day of week

DayFlightsOn time
Monday2662%
Tuesday2959%
Wednesday3067%
Thursday2552%
Friday2673%
Saturday2962%
Sunday2767%

Why it was late

Late inbound plane 47%Airline (crew, maintenance, ops) 25%Air traffic & airport (NAS) 17%Severe weather 11%

All flights ORD → CVG · Connecting off UA 1732? Check the risk

Questions

How often is UA 1732 from BOS to ORD late?

United Airlines 1732 from Boston, MA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 17% of 332 scheduled flights between September 2025 and August 2026. 1.2% were cancelled.

How often is UA 1732 from ORD to CVG late?

United Airlines 1732 from Chicago, IL to Cincinnati, OH arrived 15 or more minutes late, was diverted or was cancelled on 37% of 192 scheduled flights between September 2025 and August 2026. 2.6% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.