background

(DL) Delta Air Lines 3873 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(LWS) Lewiston-Nez Perce County Airport

Lewiston, ID, US

On-Time Performance Chart

(using rounded numbers)
On-Time
55
92%
Late
3
5%
Very Late
0
0%
Excessive
2
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
11
Codeshares
60
Average Delay (min.)
20
Standard Deviation
21
Min
0
Max
68

DL 3873 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 92%
Average Delay Time 20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 20 min
This flight has an average delay of 20 minutes with a standard deviation of 21 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.