Airlines › Southwest Airlines › June 2026
Carrier month · June 2026
Southwest Airlines in June 2026
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 2026, Southwest Airlines (WN) reported 120,933 scheduled domestic flights. 65.3% arrived on time, 0.6% were cancelled and 0.4% diverted.
All reporting carriers together recorded 72.8% on time and 1.6% cancelled that month, so the carrier was 7.5 points below the combined figure.
A year earlier, in June 2025, it reported 122,348 flights with 71.1% on time: a change of −5.8 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 54%, air carrier 28% and national aviation system 15%.
- On time 65.3%
- Arrived 15+ minutes late 33.7%
- Cancelled 0.6%
- Diverted 0.4%
June 2026 against a year earlier, the carrier's year and all carriers
| Measure | Jun 2026 | Jun 2025 | WN, 12 months to Jul 2026 | All carriers, Jun 2026 |
|---|---|---|---|---|
| Arrived on time | 65.3% | 71.1% | 75.5% | 72.8% |
| Departed on time | 59.8% | 68.2% | 71.2% | 72.2% |
| Cancelled | 0.6% | 0.6% | 0.9% | 1.6% |
| Average arrival delay | 15.2 min | 12.6 min | 6.8 min | 11.7 min |
| Scheduled flights a day | 4,031 | 4,078 | 3,808 | 20,253 |
| Scheduled flights | 120,933 | 122,348 | 1,389,951 | 607,577 |
108 airports and 1,712 routes had WN flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| DEN Denver | 8,029 | 53.9% | 23.5 min | 0.5% |
| LAS Las Vegas | 7,297 | 63.9% | 14.9 min | 0.5% |
| MDW Chicago | 6,699 | 62.5% | 18.0 min | 1.5% |
| BWI Baltimore | 6,231 | 68.6% | 13.5 min | 0.9% |
| DAL Dallas | 5,876 | 55.0% | 24.6 min | 1.2% |
| BNA Nashville | 5,687 | 58.1% | 20.1 min | 0.4% |
| PHX Phoenix | 5,220 | 62.9% | 16.1 min | 0.3% |
| MCO Orlando | 4,435 | 67.1% | 15.7 min | 1.0% |
| HOU Houston | 4,188 | 62.4% | 16.9 min | 0.3% |
| SAN San Diego | 3,560 | 59.1% | 17.1 min | 0.8% |
| AUS Austin | 3,460 | 59.2% | 19.4 min | 0.8% |
| STL St. Louis | 3,319 | 63.7% | 16.7 min | 0.2% |
| SMF Sacramento | 2,774 | 73.6% | 7.7 min | 0.3% |
| SJC San Jose | 2,295 | 67.4% | 10.7 min | 0.5% |
| LAX Los Angeles | 2,275 | 58.2% | 19.5 min | 0.4% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Southwest Airlines flights were on time in June 2026?
65.3% of 120,933 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 72.8% that month.
How does that compare with a year earlier?
In June 2025 the carrier reported 122,348 flights with 71.1% on time and 0.6% cancelled, against 65.3% and 0.6% in June 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Southwest Airlines · methodology · corrections.