ON TIMEBOARD

UA 651 on time

United Airlines 651: Fort Lauderdale to Chicago at 7:37 p.m. (past 12 months)

On time
64%
171 flights · likely 56–71%
Cancelled
0.6%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+73 min
average delay
Similar flights
70%
UA, same route & hour

About 1 in 3 UA 651 flights from Fort Lauderdale arrived 15+ minutes late, diverted or cancelled over the past year (36%); 0.6% were cancelled. The typical flight landed 1 minutes late.

UA 651: FLL → ORD

Scheduled to leave Fort Lauderdale at 7:37 p.m. local time. Over the past year it arrived on time 64% of the time (171 flights), worse than other UA flights on the route at that hour (70%). Last seen in the data Aug 10, 2026.

Usually United Airlines's last flight of the day from Fort Lauderdale to Chicago (90% of days). United Airlines's last FLL–ORD flight was cancelled 0.8% of the time, against 0.7% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:02 a.m. the next morning.

Month by month

40%70%100%Dec 2025: too few flights (14 flights)DecJan 2026: 50% on time (22 flights)50JanFeb 2026: 50% on time (20 flights)50FebMar 2026: too few flights (5 flights)MarApr 2026: 59% on time (29 flights)59AprMay 2026: too few flights (11 flights)MayJun 2026: 67% on time (30 flights)67JunJul 2026: 73% on time (30 flights)73JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday2850%
Tuesday18—
Wednesday18—
Thursday2763%
Friday2665%
Saturday2665%
Sunday2854%

Why it was late

Air traffic & airport (NAS) 49%Late inbound plane 42%Airline (crew, maintenance, ops) 7%Severe weather 2%

All flights FLL → ORD · Connecting off UA 651? Check the risk

Questions

How often is UA 651 from FLL to ORD late?

United Airlines 651 from Fort Lauderdale, FL to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 36% of 171 scheduled flights between September 2025 and August 2026. 0.6% 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.