ON TIMEBOARD

UA 4407 on time

United Airlines 4407: Chattanooga to Chicago at 10:27 a.m. (past 12 months)

On time
78%
235 flights · likely 73–83%
Cancelled
0.9%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+134 min
average delay
Similar flights
77%
UA, same route & hour

About 1 in 5 UA 4407 flights from Chattanooga arrived 15+ minutes late, diverted or cancelled over the past year (22%); 0.9% were cancelled. The typical flight landed 7 minutes early.

UA 4407: CHA → ORD

Scheduled to leave Chattanooga at 10:27 a.m. local time, operated by GoJet as G7 4407. Over the past year it arrived on time 78% of the time (235 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%Jul 2025: 55% on time (31 flights)55JulAug 2025: 75% on time (28 flights)75AugSep 2025: 81% on time (27 flights)81SepOct 2025: 87% on time (31 flights)87OctNov 2025: 52% on time (29 flights)52NovDec 2025: 65% on time (17 flights)65DecFeb 2026: 94% on time (16 flights)94FebMar 2026: too few flights (6 flights)MarMay 2026: 82% on time (17 flights)82MayJun 2026: 83% on time (30 flights)83JunJul 2026: 94% on time (31 flights)94JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday3580%
Tuesday3776%
Wednesday3379%
Thursday3181%
Friday3385%
Saturday3385%
Sunday3364%

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 26%

All flights CHA → ORD · Connecting off UA 4407? Check the risk

Questions

How often is UA 4407 from CHA to ORD late?

United Airlines 4407 from Chattanooga, TN to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 22% of 235 scheduled flights between September 2025 and August 2026. 0.9% 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.