(UA) United Airlines 591 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(EWR) Newark Liberty International Airport

Newark, NJ, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)

On-Time

75%

Late

Very Late

Excessive

Cancelled

Diverted

13%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

26.333333333333332

Standard Deviation

23.5

Min

Max

UA 591 On-Time Performance Details

Overall Rating

3.4 of 5

Average

Percentage On-Time 86%

Average Delay Time 26.333333333333332 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.

On-Time Performance Rating

3.9 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 79% of other flights.

Delay Performance

2.9 of 5

Average

Average Delay Time 26.333333333333332 min

This flight has an average delay of 26.333333333333332 minutes with a standard deviation of 23.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.