Airlines › Southwest Airlines › June 2025
Carrier month · June 2025
Southwest Airlines in June 2025
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 June 2025, Southwest Airlines (WN) reported 122,348 scheduled domestic flights. 71.1% arrived on time, 0.6% were cancelled and 0.4% diverted.
All reporting carriers together recorded 70.3% on time and 1.6% cancelled that month, so the carrier was 0.8 points above the combined figure.
A year earlier, in June 2024, it reported 123,817 flights with 73.7% on time: a change of −2.6 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 53%, air carrier 26% and national aviation system 18%.
- On time 71.1%
- Arrived 15+ minutes late 27.9%
- Cancelled 0.6%
- Diverted 0.4%
June 2025 against a year earlier, the carrier's year and all carriers
| Measure | Jun 2025 | Jun 2024 | WN, 12 months to Jul 2026 | All carriers, Jun 2025 |
|---|---|---|---|---|
| Arrived on time | 71.1% | 73.7% | 75.5% | 70.3% |
| Departed on time | 68.2% | 70.4% | 71.2% | 71.4% |
| Cancelled | 0.6% | 0.3% | 0.9% | 1.6% |
| Average arrival delay | 12.6 min | 9.9 min | 6.8 min | 15.6 min |
| Scheduled flights a day | 4,078 | 4,127 | 3,808 | 20,386 |
| Scheduled flights | 122,348 | 123,817 | 1,389,951 | 611,575 |
104 airports and 1,694 routes had WN flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| DEN Denver | 8,334 | 56.1% | 26.2 min | 0.7% |
| LAS Las Vegas | 7,398 | 72.3% | 10.0 min | 0.5% |
| MDW Chicago | 6,670 | 69.1% | 13.3 min | 0.5% |
| BWI Baltimore | 6,421 | 67.3% | 17.9 min | 1.2% |
| DAL Dallas | 6,039 | 63.4% | 17.6 min | 0.8% |
| PHX Phoenix | 5,562 | 71.9% | 11.2 min | 0.7% |
| BNA Nashville | 5,005 | 68.8% | 13.9 min | 0.3% |
| HOU Houston | 4,551 | 66.7% | 15.6 min | 1.2% |
| MCO Orlando | 4,035 | 70.0% | 13.4 min | 0.5% |
| STL St. Louis | 3,673 | 71.8% | 12.7 min | 0.3% |
| AUS Austin | 3,318 | 67.3% | 15.9 min | 0.2% |
| SAN San Diego | 3,060 | 71.4% | 9.2 min | 0.7% |
| SMF Sacramento | 2,919 | 76.8% | 6.8 min | 0.5% |
| OAK Oakland | 2,606 | 78.7% | 5.2 min | 0.6% |
| SJC San Jose | 2,455 | 78.0% | 5.9 min | 0.6% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Southwest Airlines flights were on time in June 2025?
71.1% of 122,348 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 70.3% that month.
How does that compare with a year earlier?
In June 2024 the carrier reported 123,817 flights with 73.7% on time and 0.3% cancelled, against 71.1% and 0.6% in June 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2025; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Southwest Airlines · methodology · corrections.