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

Date Range:

01-May-2026 to 30-Jun-2026

(GSO) Piedmont Triad International Airport

Greensboro/High Point, NC, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
76%
Late
7
12%
Very Late
0
0%
Excessive
4
7%
Cancelled
1
2%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
17
Codeshares
57
Average Delay (min.)
58.35294117647059
Standard Deviation
88.6
Min
0
Max
302

DL 4966 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 79%
Average Delay Time 58.35294117647059 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 58.35294117647059 min
This flight has an average delay of 58.35294117647059 minutes with a standard deviation of 88.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 7% of other flights.

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