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(DL) Delta Air Lines 6991 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(YMM) Fort McMurray International Airport

Fort McMurray, AB, CA

(YYC) Calgary International Airport

Calgary, AB, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
27
93%
Late
0
0%
Very Late
0
0%
Excessive
1
3%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
2
Codeshares
29
Average Delay (min.)
84.5
Standard Deviation
116.7
Min
0
Max
167

DL 6991 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 93%
Average Delay Time 84.5 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
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. 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
0.7 of 5
Poor
Average Delay Time 84.5 min
This flight has an average delay of 84.5 minutes with a standard deviation of 116.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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