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(DL) Delta Air Lines 4966 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(CHS) Charleston International Airport

Charleston, SC, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
68%
Late
3
16%
Very Late
1
5%
Excessive
2
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
11
Codeshares
19
Average Delay (min.)
24.454545454545453
Standard Deviation
23.7
Min
0
Max
78

DL 4966 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 68%
Average Delay Time 24.454545454545453 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 24.454545454545453 min
This flight has an average delay of 24.454545454545453 minutes with a standard deviation of 23.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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