(UA) United Airlines 4437 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)

On-Time

71%

Late

Very Late

Excessive

Cancelled

Diverted

14%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

29.75

Standard Deviation

Min

Max

UA 4437 On-Time Performance Details

Overall Rating

3.1 of 5

Average

Percentage On-Time 83%

Average Delay Time 29.75 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.1 shows that this flight has on-time performance characteristics better than 61% of all other flights in the FlightStats database.

On-Time Performance Rating

3.5 of 5

Average

Percentage On-Time 83%

This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.

Delay Performance

2.7 of 5

Average

Average Delay Time 29.75 min

This flight has an average delay of 29.75 minutes with a standard deviation of 31 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.