(UA) United Airlines 4534 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(GRB) Green Bay Austin Straubel International Airport

Green Bay, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

42%

Late

25%

Very Late

17%

Excessive

13%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

27.88888888888889

Standard Deviation

21.2

Min

Max

UA 4534 On-Time Performance Details

Overall Rating

1.7 of 5

Average

Percentage On-Time 44%

Average Delay Time 27.88888888888889 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% 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

3.3 of 5

Average

Average Delay Time 27.88888888888889 min

This flight has an average delay of 27.88888888888889 minutes with a standard deviation of 21.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.