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(UA) United Airlines 4533 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
44%
Late
2
7%
Very Late
2
7%
Excessive
11
41%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
16
Codeshares
27
Average Delay (min.)
105.625
Standard Deviation
93.7
Min
0
Max
393

UA 4533 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
Average Delay Time 105.625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 44%
This flight has an on-time performance of 44%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 105.625 min
This flight has an average delay of 105.625 minutes with a standard deviation of 93.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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