ON TIMEBOARD

UA 4453 on time

United Airlines 4453: Dayton to Chicago at 11:39 a.m. (past 12 months)

On time
75%
262 flights · likely 70–80%
Cancelled
2.7%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+105 min
average delay
Similar flights
77%
UA, same route & hour

About 1 in 4 UA 4453 flights from Dayton arrived 15+ minutes late, diverted or cancelled over the past year (25%); 2.7% were cancelled. The typical flight landed 5 minutes early.

UA 4453: DAY → ORD

Scheduled to leave Dayton at 11:39 a.m. local time, operated by GoJet as G7 4453. Over the past year it arrived on time 75% of the time (262 flights), in line with other UA flights on the route at that hour (77%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 77% on time (26 flights)77AugSep 2025: 90% on time (30 flights)90SepOct 2025: 76% on time (25 flights)76OctDec 2025: 75% on time (16 flights)75DecJan 2026: 60% on time (25 flights)60JanFeb 2026: too few flights (11 flights)FebMar 2026: 65% on time (26 flights)65MarApr 2026: 86% on time (29 flights)86AprMay 2026: too few flights (11 flights)MayJun 2026: 77% on time (30 flights)77JunJul 2026: 74% on time (31 flights)74JulAug 2026: 68% on time (28 flights)68Aug

By day of week

DayFlightsOn time
Monday3876%
Tuesday3882%
Wednesday3977%
Thursday3776%
Friday3876%
Saturday3874%
Sunday3465%

Why it was late

Late inbound plane 43%Air traffic & airport (NAS) 35%Airline (crew, maintenance, ops) 22%Severe weather 1%

All flights DAY → ORD · Connecting off UA 4453? Check the risk

Questions

How often is UA 4453 from DAY to ORD late?

United Airlines 4453 from Dayton, OH to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 25% of 262 scheduled flights between September 2025 and August 2026. 2.7% 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.