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(DL) Delta Air Lines 4121 On-Time Performance Rating

Date Range:

15-May-2025 to 15-Jul-2025

(MFE) McAllen Miller International Airport

McAllen, TX, US

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
63%
Late
0
0%
Very Late
0
0%
Excessive
3
38%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
8
Total Delays ( > 1 min )
4
Codeshares
8
Average Delay (min.)
87.5
Standard Deviation
69.1
Min
0
Max
170

DL 4121 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 63%
Average Delay Time 87.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 13% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. 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
0.2 of 5
Very Poor
Average Delay Time 87.5 min
This flight has an average delay of 87.5 minutes with a standard deviation of 69.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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