(UA) United Airlines 5559 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(CAE) Columbia Metropolitan Airport

Columbia, SC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

74%

Late

13%

Very Late

10%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

19.266666666666666

Standard Deviation

15.6

Min

Max

UA 5559 On-Time Performance Details

Overall Rating

2.8 of 5

Average

Percentage On-Time 74%

Average Delay Time 19.266666666666666 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.

On-Time Performance Rating

1.5 of 5

Poor

Percentage On-Time 74%

This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 31% of other flights.

Delay Performance

4.1 of 5

Good

Average Delay Time 19.266666666666666 min

This flight has an average delay of 19.266666666666666 minutes with a standard deviation of 15.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.