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(WN) Southwest Airlines 504 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(RNO) Reno-Tahoe International Airport

Reno, NV, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
19
86%
Late
0
0%
Very Late
1
5%
Excessive
2
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
22
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
62.166666666666664
Standard Deviation
84.8
Min
0
Max
227

WN 504 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 86%
Average Delay Time 62.166666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 62.166666666666664 min
This flight has an average delay of 62.166666666666664 minutes with a standard deviation of 84.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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