(UA) United Airlines 4390 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(LEX) Blue Grass Airport

Lexington, KY, US

On-Time Performance Chart

(using rounded numbers)

On-Time

86%

Late

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.)

186

Standard Deviation

352

Min

Max

814

UA 4390 On-Time Performance Details

Overall Rating

2.1 of 5

Average

Percentage On-Time 86%

Average Delay Time 186 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.

On-Time Performance Rating

4.2 of 5

Good

Percentage On-Time 86%

This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.

Delay Performance

0.0 of 5

Very Poor

Average Delay Time 186 min

This flight has an average delay of 186 minutes with a standard deviation of 352 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.