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(DL) Delta Air Lines 5121 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
50%
Late
1
25%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
25%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
3
Total Delays ( > 1 min )
3
Codeshares
3
Average Delay (min.)
13.333333333333334
Standard Deviation
5.8
Min
10
Max
20

DL 5121 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 67%
Average Delay Time 13.333333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
1.4 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 27% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 13.333333333333334 min
This flight has an average delay of 13.333333333333334 minutes with a standard deviation of 5.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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