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(DL) Delta Air Lines 4070 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(ONT) Ontario International Airport

Ontario, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
50%
Late
0
0%
Very Late
0
0%
Excessive
2
33%
Cancelled
0
0%
Diverted
1
17%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
4
Codeshares
5
Average Delay (min.)
97
Standard Deviation
129.5
Min
0
Max
278

DL 4070 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 60%
Average Delay Time 97 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 97 min
This flight has an average delay of 97 minutes with a standard deviation of 129.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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