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(DL) Delta Air Lines 851 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(LGA) New York LaGuardia Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
83%
Late
0
0%
Very Late
0
0%
Excessive
5
12%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
85.16666666666667
Standard Deviation
59.2
Min
0
Max
184

DL 851 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 85%
Average Delay Time 85.16666666666667 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 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 85.16666666666667 min
This flight has an average delay of 85.16666666666667 minutes with a standard deviation of 59.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.

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