ON TIMEBOARD

UA 1834 on time

United Airlines 1834: Chicago to Tampa at 10:50 a.m. (past 12 months)

On time
81%
365 flights · likely 76–85%
Cancelled
0.3%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+66 min
average delay
Similar flights
82%
UA, same route & hour

About 1 in 5 UA 1834 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.3% were cancelled. The typical flight landed 7 minutes early.

UA 1834: ORD → TPA

Scheduled to leave Chicago at 10:50 a.m. local time. Over the past year it arrived on time 81% of the time (365 flights), in line with other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 81% on time (31 flights)81OctNov 2025: 83% on time (30 flights)83NovDec 2025: 74% on time (31 flights)74DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 71% on time (31 flights)71MarApr 2026: 80% on time (30 flights)80AprMay 2026: 87% on time (31 flights)87MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday5383%
Tuesday5292%
Wednesday5281%
Thursday5283%
Friday5273%
Saturday5273%
Sunday5281%

Why it was late

Air traffic & airport (NAS) 42%Late inbound plane 32%Severe weather 14%Airline (crew, maintenance, ops) 13%

All flights ORD → TPA · Connecting off UA 1834? Check the risk

Questions

How often is UA 1834 from ORD to TPA late?

United Airlines 1834 from Chicago, IL to Tampa, FL arrived 15 or more minutes late, was diverted or was cancelled on 19% of 365 scheduled flights between September 2025 and August 2026. 0.3% 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.