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(DL) Delta Air Lines 1278 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
8
53%
Late
3
20%
Very Late
0
0%
Excessive
4
27%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
45.90909090909091
Standard Deviation
48.7
Min
0
Max
141

DL 1278 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 53%
Average Delay Time 45.90909090909091 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 15% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 45.90909090909091 min
This flight has an average delay of 45.90909090909091 minutes with a standard deviation of 48.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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