(UA) United Airlines 4383 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(GRR) Grand Rapids Gerald R. Ford International Airport

Grand Rapids, MI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

60%

Late

30%

Very Late

Excessive

10%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

31.666666666666668

Standard Deviation

48.8

Min

Max

161

UA 4383 On-Time Performance Details

Overall Rating

1.7 of 5

Average

Percentage On-Time 60%

Average Delay Time 31.666666666666668 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

0.6 of 5

Poor

Percentage On-Time 60%

This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.

Delay Performance

2.7 of 5

Average

Average Delay Time 31.666666666666668 min

This flight has an average delay of 31.666666666666668 minutes with a standard deviation of 48.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.