(UA) United Airlines 4651 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(MLI) Quad Cities International Airport

Moline, IL, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)

On-Time

78%

Late

Very Late

Excessive

22%

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

63.57142857142857

Standard Deviation

62.9

Min

Max

155

UA 4651 On-Time Performance Details

Overall Rating

1.6 of 5

Average

Percentage On-Time 78%

Average Delay Time 63.57142857142857 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.

On-Time Performance Rating

2.7 of 5

Average

Percentage On-Time 78%

This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.

Delay Performance

0.4 of 5

Very Poor

Average Delay Time 63.57142857142857 min

This flight has an average delay of 63.57142857142857 minutes with a standard deviation of 62.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.