68.0%
on time, July 2026
68.0% of Southwest Airlines' scheduled domestic flights arrived on time in July 2026, and 1.1% were cancelled. That ranks 8 of 12 reporting airlines. It carried 15.9 million passengers in July 2026, down 0.4% from a year earlier. It is listed on the stock market as LUV.
Updated Oct 11, 2026 · on-time numbers to July 2026 · passengers to July 2026
On time
68.0%
Rank 8 of 12
Cancelled
1.14%
1,419 of 124,994 flights
Avg arrival delay
13.3 min
30.3% 15+ min late
Passengers, Jul 2026
15.9M
-0.4% vs a year earlier
Passengers, 12 months
170.1M
Aug 2025 to Jul 2026
Load factor
77.4%
20.5M seats
Month by month
Southwest Airlines' numbers each month
Monthly trend
Southwest Airlines passengers on board. Jan 2025 to Jul 2026. Hover a month for the numbers.
What delays its flights
Delay minutes of Southwest Airlines flights 15+ minutes late by cause, July 2026
- Late plane from an earlier flight51.6%
- The airline (crew, upkeep, fueling)28.5%
- Air traffic and airports16.3%
- Severe weather3.3%
- Security0.3%
Busiest airports
Scheduled departures and on-time rate, July 2026
| Airport | Flights | On time | Cancelled |
|---|---|---|---|
| DEN Denver, CODenver International | 8,375 | 62.3% | 0.8% |
| LAS Las Vegas, NVHarry Reid International | 7,518 | 67.4% | 0.4% |
| MDW Chicago, ILChicago Midway International | 7,025 | 67.1% | 2.2% |
| BWI Baltimore, MDBaltimore/Washington International Thurgood Marshall | 6,466 | 65.4% | 4.4% |
| DAL Dallas, TXDallas Love Field | 6,090 | 63.3% | 1.0% |
| BNA Nashville, TNNashville International | 5,878 | 57.4% | 0.6% |
| PHX Phoenix, AZPhoenix Sky Harbor International | 5,224 | 65.3% | 0.4% |
| MCO Orlando, FLOrlando International | 4,492 | 67.8% | 0.7% |
| HOU Houston, TXWilliam P Hobby | 4,450 | 67.9% | 0.9% |
| SAN San Diego, CASan Diego International | 3,733 | 60.6% | 0.6% |
Busiest routes
Passengers on non-stop flights, one direction, July 2026
| Route | Passengers | Flights | Full |
|---|---|---|---|
| SMF → SANSacramento to San Diego | 43,128 | 338 | 84.5% |
| SAN → SMFSan Diego to Sacramento | 42,370 | 338 | 82.6% |
| DEN → PHXDenver to Phoenix | 41,190 | 346 | 73.0% |
| MCO → SJUOrlando to San Juan | 39,570 | 243 | 93.6% |
| SJC → SANSan Jose to San Diego | 39,236 | 332 | 76.9% |
| SAN → SJCSan Diego to San Jose | 39,064 | 337 | 72.7% |
| SJU → MCOSan Juan to Orlando | 39,005 | 241 | 93.1% |
| LAS → RNOLas Vegas to Reno | 38,762 | 351 | 69.2% |
| PHX → DENPhoenix to Denver | 37,954 | 324 | 71.7% |
| OAK → LASOakland to Las Vegas | 37,725 | 304 | 75.4% |
Related pages
Questions and answers
Is Southwest Airlines on time?
68.0% of Southwest Airlines' scheduled domestic flights arrived less than 15 minutes late in July 2026, rank 8 of 12 airlines that report on-time numbers. 30.3% arrived 15 minutes or more late and 1.1% were cancelled.
How many passengers does Southwest Airlines carry?
15.9 million passengers in July 2026, filling 77.4% of its seats, and 170.1 million in the last 12 months. A passenger on a connecting trip is counted on each flight.
Why are Southwest Airlines flights delayed?
In July 2026, 51.6% of Southwest Airlines' delay minutes (flights 15+ minutes late) came from late plane from an earlier flight and 28.5% from the airline (crew, upkeep, fueling).
What is Southwest Airlines' busiest airport?
Denver International (DEN), with 8,375 scheduled departures in July 2026, followed by Harry Reid International (7,518).
On-time numbers cover scheduled domestic flights of the airlines that report them (the large US airlines and their regional partners), counted at the departure airport. A flight is on time when it arrives less than 15 minutes late; cancelled and diverted flights count as not on time. Official public data, updated monthly.