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(DL) Delta Air Lines 321 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
70%
Late
4
8%
Very Late
3
6%
Excessive
5
9%
Cancelled
4
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
93.94117647058823
Standard Deviation
233.5
Min
0
Max
988

DL 321 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 70%
Average Delay Time 93.94117647058823 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. 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
0.0 of 5
Very Poor
Average Delay Time 93.94117647058823 min
This flight has an average delay of 93.94117647058823 minutes with a standard deviation of 233.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.