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(DL) Delta Air Lines 489 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
71%
Late
5
9%
Very Late
1
2%
Excessive
8
15%
Cancelled
2
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
35.65217391304348
Standard Deviation
33.3
Min
0
Max
106

DL 489 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 71%
Average Delay Time 35.65217391304348 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. 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
2.3 of 5
Average
Average Delay Time 35.65217391304348 min
This flight has an average delay of 35.65217391304348 minutes with a standard deviation of 33.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.