background

(DL) Delta Air Lines 900 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
74%
Late
2
5%
Very Late
2
5%
Excessive
6
14%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
49.23076923076923
Standard Deviation
42.2
Min
0
Max
148

DL 900 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 74%
Average Delay Time 49.23076923076923 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 49.23076923076923 min
This flight has an average delay of 49.23076923076923 minutes with a standard deviation of 42.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.