(AA) American Airlines 4420 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(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

86%

Late

Very Late

14%

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

18.333333333333332

Standard Deviation

16.9

Min

Max

AA 4420 On-Time Performance Details

Overall Rating

3.7 of 5

Good

Percentage On-Time 86%

Average Delay Time 18.333333333333332 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 72% of all other flights in the FlightStats database.

On-Time Performance Rating

3.8 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 76% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 18.333333333333332 min

This flight has an average delay of 18.333333333333332 minutes with a standard deviation of 16.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.