(DL) Delta Air Lines 9221 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

(OPO) Porto Airport

Porto, PT

On-Time Performance Chart

(using rounded numbers)

On-Time

86%

Late

14%

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

6.4

Min

Max

DL 9221 On-Time Performance Details

Overall Rating

3.6 of 5

Good

Percentage On-Time 86%

Average Delay Time 15 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 70% of all other flights in the FlightStats database.

On-Time Performance Rating

3.5 of 5

Average

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 69% of other flights.

Delay Performance

3.6 of 5

Good

Average Delay Time 15 min

This flight has an average delay of 15 minutes with a standard deviation of 6.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.