Airlines › Southwest Airlines › August 2023
Carrier month · August 2023
Southwest Airlines in August 2023
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In August 2023, Southwest Airlines (WN) reported 125,664 scheduled domestic flights. 75.5% arrived on time, 1.6% were cancelled and 0.2% diverted.
All reporting carriers together recorded 76.9% on time and 1.5% cancelled that month, so the carrier was 1.4 points below the combined figure.
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 52%, air carrier 27% and national aviation system 18%.
- On time 75.5%
- Arrived 15+ minutes late 22.6%
- Cancelled 1.6%
- Diverted 0.2%
August 2023 against a year earlier, the carrier's year and all carriers
| Measure | Aug 2023 | Year earlier | WN, 12 months to Jul 2026 | All carriers, Aug 2023 |
|---|---|---|---|---|
| Arrived on time | 75.5% | — | 75.5% | 76.9% |
| Departed on time | 73.0% | — | 71.2% | 76.7% |
| Cancelled | 1.6% | — | 0.9% | 1.5% |
| Average arrival delay | 6.8 min | — | 6.8 min | 8.4 min |
| Scheduled flights a day | 4,189 | — | 3,808 | 20,100 |
| Scheduled flights | 125,664 | — | 1,389,951 | 602,987 |
107 airports and 1,628 routes had WN flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| DEN Denver | 8,727 | 66.1% | 13.6 min | 1.2% |
| LAS Las Vegas | 7,582 | 67.7% | 11.7 min | 3.4% |
| MDW Chicago | 7,157 | 71.2% | 9.7 min | 1.0% |
| DAL Dallas | 6,259 | 80.7% | 3.0 min | 0.9% |
| BWI Baltimore | 6,251 | 65.8% | 13.0 min | 1.8% |
| PHX Phoenix | 5,263 | 75.6% | 6.5 min | 2.0% |
| HOU Houston | 4,331 | 83.6% | 0.9 min | 0.8% |
| BNA Nashville | 4,115 | 81.3% | 2.4 min | 0.9% |
| STL St. Louis | 3,406 | 74.0% | 7.6 min | 0.7% |
| OAK Oakland | 3,374 | 74.8% | 7.2 min | 2.0% |
| MCO Orlando | 3,265 | 73.3% | 8.0 min | 1.2% |
| AUS Austin | 3,169 | 79.8% | 4.3 min | 1.0% |
| ATL Atlanta | 3,146 | 72.8% | 11.9 min | 0.8% |
| SAN San Diego | 3,093 | 72.9% | 6.5 min | 4.8% |
| SJC San Jose | 3,009 | 77.2% | 5.4 min | 2.4% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Southwest Airlines flights were on time in August 2023?
75.5% of 125,664 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 76.9% that month.
How does that compare with a year earlier?
August 2022 is outside the 36 months on file, or the carrier did not report that month.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Southwest Airlines · methodology · corrections.