Who flies it
Flights sold as Southwest Airlines, by the airline that operates them.
| Operated by | Flights | On time | Cancelled | Typical arrival |
|---|---|---|---|---|
| Southwest Airlines | 1,391,794 | 75% | 0.9% | −3 min |
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for Southwest Airlines flights: when a flight was late, it was under 45 minutes late 61% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 130 three hours or more; 0.9% were cancelled outright.
- On time or early75%
- 15–30 min late9.9%
- 30–60 min late7.6%
- 1–2 hours late4.4%
- 2–3 hours late1.3%
- 3+ hours late0.8%
- Diverted0.3%
- Cancelled0.9%
Share of all 1,391,794 scheduled flights, past 12 months, by arrival time against schedule.
By departure hour
Month by month
Share of flights on time, by month (hover a point for cancellations)
Why flights were late
Late inbound plane 51%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 18%Severe weather 2%
Most reliable routes
| Route | Flights | On time |
|---|---|---|
| LIH → LAS | 365 | 97% |
| OGG → PHX | 365 | 96% |
| OGG → LAS | 370 | 96% |
| OGG → OAK | 365 | 96% |
| LIH → OAK | 365 | 96% |
| LIH → HNL | 1,770 | 95% |
| KOA → LAS | 365 | 94% |
| KOA → HNL | 1,770 | 94% |
| OGG → HNL | 2,861 | 93% |
| ITO → HNL | 1,822 | 93% |
| HNL → LAS | 901 | 92% |
| LGB → HNL | 365 | 92% |
| EUG → SMF | 365 | 92% |
| HNL → LIH | 1,770 | 92% |
| HNL → OGG | 2,861 | 92% |
| KOA → OGG | 365 | 92% |
| KOA → SMF | 365 | 91% |
| HNL → PHX | 365 | 90% |
| HNL → KOA | 1,770 | 90% |
| SJC → HOU | 365 | 89% |
Least reliable routes
| Route | Flights | On time |
|---|---|---|
| BUR → SFO | 514 | 40% |
| SFO → AUS | 411 | 40% |
| LAS → SFO | 1,312 | 42% |
| MDW → SFO | 516 | 43% |
| SFO → SAN | 2,070 | 47% |
| DEN → SFO | 1,392 | 48% |
| DCA → LAS | 365 | 48% |
| SFO → BUR | 514 | 48% |
| LAX → SFO | 1,473 | 51% |
| BWI → SFO | 365 | 51% |
| SAN → SFO | 2,070 | 52% |
| FLL → CMH | 373 | 56% |
| SFO → LAX | 1,472 | 56% |
| LGA → DEN | 1,516 | 56% |
| DAL → LGA | 1,557 | 57% |
| AUS → SFO | 411 | 57% |
| DEN → DTW | 649 | 57% |
| DEN → BOS | 908 | 57% |
| PHX → SFO | 1,076 | 57% |
| MDW → PDX | 674 | 58% |
Routes listed have at least 365 Southwest Airlines flights in the past year. Compare all airlines · Method.