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(WN) Southwest Airlines 551 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
82%
Late
3
14%
Very Late
0
0%
Excessive
1
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
7
Codeshares
0
Average Delay (min.)
31.428571428571427
Standard Deviation
55.8
Min
0
Max
157

WN 551 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 82%
Average Delay Time 31.428571428571427 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 55% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
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 66% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 31.428571428571427 min
This flight has an average delay of 31.428571428571427 minutes with a standard deviation of 55.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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