Airlines › Southwest Airlines › January 2026
Carrier month · January 2026
Southwest Airlines in January 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 January 2026, Southwest Airlines (WN) reported 104,002 scheduled domestic flights. 82.4% arrived on time, 2.6% were cancelled and 0.1% diverted.
All reporting carriers together recorded 75.3% on time and 4.7% cancelled that month, so the carrier was 7.1 points above the combined figure.
A year earlier, in January 2025, it reported 105,307 flights with 82.2% on time: a change of +0.2 points.
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 32% and national aviation system 23%.
- On time 82.4%
- Arrived 15+ minutes late 14.8%
- Cancelled 2.6%
- Diverted 0.1%
January 2026 against a year earlier, the carrier's year and all carriers
| Measure | Jan 2026 | Jan 2025 | WN, 12 months to Jul 2026 | All carriers, Jan 2026 |
|---|---|---|---|---|
| Arrived on time | 82.4% | 82.2% | 75.5% | 75.3% |
| Departed on time | 79.9% | 80.2% | 71.2% | 75.6% |
| Cancelled | 2.6% | 2.9% | 0.9% | 4.7% |
| Average arrival delay | -1.2 min | -1.2 min | 6.8 min | 6.4 min |
| Scheduled flights a day | 3,467 | 3,510 | 3,808 | 18,133 |
| Scheduled flights | 104,002 | 105,307 | 1,389,951 | 544,003 |
104 airports and 1,642 routes had WN flights that month.
Busiest airports that month
| Airport | Departures | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|
| LAS Las Vegas | 6,704 | 81.5% | 1.2 min | 1.1% |
| DEN Denver | 6,546 | 81.9% | -1.6 min | 1.5% |
| BWI Baltimore | 5,346 | 79.5% | -1.6 min | 5.0% |
| DAL Dallas | 5,332 | 78.1% | 1.2 min | 5.5% |
| PHX Phoenix | 5,234 | 82.3% | 1.0 min | 1.1% |
| MDW Chicago | 4,538 | 80.0% | -0.4 min | 2.1% |
| BNA Nashville | 4,458 | 82.5% | -4.5 min | 6.0% |
| MCO Orlando | 4,148 | 74.5% | 5.4 min | 2.4% |
| HOU Houston | 3,806 | 86.2% | -4.0 min | 2.3% |
| STL St. Louis | 2,936 | 81.9% | -0.7 min | 2.1% |
| AUS Austin | 2,766 | 82.5% | 0.1 min | 3.0% |
| SAN San Diego | 2,747 | 80.6% | 2.0 min | 2.1% |
| SMF Sacramento | 2,347 | 84.4% | 0.8 min | 0.5% |
| OAK Oakland | 2,185 | 87.6% | -1.7 min | 0.4% |
| SJC San Jose | 1,907 | 89.1% | -3.6 min | 0.8% |
By scheduled departure hour
Delay causes
Questions and answers
What share of Southwest Airlines flights were on time in January 2026?
82.4% of 104,002 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 75.3% that month.
How does that compare with a year earlier?
In January 2025 the carrier reported 105,307 flights with 82.2% on time and 2.9% cancelled, against 82.4% and 2.6% in January 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 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.