background

(DL) Delta Air Lines 1120 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
81%
Late
5
8%
Very Late
2
3%
Excessive
4
6%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
41.76470588235294
Standard Deviation
54.7
Min
0
Max
192

DL 1120 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 82%
Average Delay Time 41.76470588235294 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 41.76470588235294 min
This flight has an average delay of 41.76470588235294 minutes with a standard deviation of 54.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.