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(DL) Delta Air Lines 257 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
49%
Late
6
10%
Very Late
4
6%
Excessive
16
25%
Cancelled
4
6%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
76.93103448275862
Standard Deviation
66
Min
0
Max
308

DL 257 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 51%
Average Delay Time 76.93103448275862 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 51%
This flight has an on-time performance of 51%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 76.93103448275862 min
This flight has an average delay of 76.93103448275862 minutes with a standard deviation of 66 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.