Allegiant vs Southwest: Which Airline Is More On Time?
Allegiant
3
routes won
Southwest
17
routes won · leader
vs2ties
- Allegiant on time
- 74.8%
- Southwest on time
- 80.0%
- Allegiant cancelled
- 0.5%
- Southwest cancelled
- 0.5%
On the 22 routes both fly · Jun 2025 to May 2026
On the 22 routes both airlines fly, Southwest was more on time on 17, Allegiant on 3, and 2 were a tie. On those shared routes, Allegiant flights arrived on time 74.8% of the time and Southwest flights 80.0%.
Allegiant's biggest wins
Every shared route
Busiest first. Tap a route for every flight on it and the most on-time departure.
| Route | Allegiant | Southwest | More on time |
|---|---|---|---|
| FAT → LASFresno to Las Vegas | 78.8%645 flights | 85.3%1,112 flights | Southwest |
| LAS → FATLas Vegas to Fresno | 85.0%645 flights | 76.3%1,112 flights | Allegiant |
| GEG → LASSpokane to Las Vegas | 65.7%106 flights | 87.1%750 flights | Southwest |
| LAS → GEGLas Vegas to Spokane | 74.3%106 flights | 78.8%750 flights | Southwest |
| LAS → TULLas Vegas to Tulsa | 80.4%109 flights | 76.2%637 flights | Allegiant |
| TUL → LASTulsa to Las Vegas | 76.6%109 flights | 83.8%637 flights | Southwest |
| FLL → INDFort Lauderdale to Indianapolis | 57.4%225 flights | 66.3%420 flights | Southwest |
| IND → FLLIndianapolis to Fort Lauderdale | 64.7%225 flights | 82.9%417 flights | Southwest |
| DSM → LASDes Moines to Las Vegas | 75.9%230 flights | 85.4%365 flights | Southwest |
| LAS → DSMLas Vegas to Des Moines | 79.2%230 flights | 78.7%365 flights | Tie |
| EUG → LASEugene to Las Vegas | 60.2%108 flights | 79.6%374 flights | Southwest |
| LAS → EUGLas Vegas to Eugene | 83.3%108 flights | 87.9%374 flights | Southwest |
| ICT → LASWichita to Las Vegas | 65.1%109 flights | 82.4%365 flights | Southwest |
| LAS → ICTLas Vegas to Wichita | 69.4%109 flights | 76.7%365 flights | Southwest |
| GRR → LASGrand Rapids to Las Vegas | 69.3%219 flights | 73.3%219 flights | Southwest |
| LAS → GRRLas Vegas to Grand Rapids | 75.6%219 flights | 82.0%219 flights | Southwest |
| LAS → MEMLas Vegas to Memphis | 84.8%105 flights | 73.1%329 flights | Allegiant |
| MEM → LASMemphis to Las Vegas | 71.4%105 flights | 80.7%329 flights | Southwest |
| IND → SRQIndianapolis to Sarasota/Bradenton | 73.2%185 flights | 79.6%191 flights | Southwest |
| SRQ → INDSarasota/Bradenton to Indianapolis | 71.2%185 flights | 72.1%191 flights | Southwest |
| PIT → SRQPittsburgh to Sarasota/Bradenton | 72.9%167 flights | 80.2%184 flights | Southwest |
| SRQ → PITSarasota/Bradenton to Pittsburgh | 74.1%167 flights | 74.6%184 flights | Tie |
Across their whole networks
Allegiant is #8 on the airline on-time leaderboard (74.1% on time, 0.6% cancelled, 128,283 flights); Southwest is #6 (77.1% on time, 0.9% cancelled, 1,392,049 flights).
More matchups
Historical results, not a guarantee. Source: US DOT Bureau of Transportation Statistics marketing-carrier on-time reports, Jun 2025 to May 2026. ATIS Alerts is not affiliated with any airline.