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(DL) Delta Air Lines 1277 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(SNA) John Wayne Airport

Santa Ana, CA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
73%
Late
5
8%
Very Late
3
5%
Excessive
6
10%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
37.30434782608695
Standard Deviation
40.1
Min
0
Max
135

DL 1277 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 75%
Average Delay Time 37.30434782608695 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 37.30434782608695 min
This flight has an average delay of 37.30434782608695 minutes with a standard deviation of 40.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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