(DL) Delta Air Lines 5857 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(BOS) Boston Logan International Airport

Boston, MA, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)

On-Time

89%

Late

Very Late

11%

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

21.7

Min

Max

DL 5857 On-Time Performance Details

Overall Rating

3.9 of 5

Good

Percentage On-Time 89%

Average Delay Time 18 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.

On-Time Performance Rating

4.2 of 5

Good

Percentage On-Time 89%

This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.

Delay Performance

3.5 of 5

Average

Average Delay Time 18 min

This flight has an average delay of 18 minutes with a standard deviation of 21.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.