(UA) United Airlines 3603 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

57%

Late

13%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

24.90909090909091

Standard Deviation

18.4

Min

Max

UA 3603 On-Time Performance Details

Overall Rating

1.7 of 5

Average

Percentage On-Time 59%

Average Delay Time 24.90909090909091 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 59%

This flight has an on-time performance of 59%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.

Delay Performance

3.3 of 5

Average

Average Delay Time 24.90909090909091 min

This flight has an average delay of 24.90909090909091 minutes with a standard deviation of 18.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.