SkyWest vs Spirit: On-Time Performance Compared

Last 12 months · Aug 2025 – Jul 2026

Data through July 2026 · Last updated October 18, 2026

Spirit Airlines has not reported flights to BTS since May 2026. Figures cover its flights up to then.

Over the last 12 months 79.0% of SkyWest flights arrived on time, compared with 72.8% for Spirit.

SkyWest cancelled fewer flights (1.8% vs 3.9%), and late flights averaged 88 minutes late on SkyWest vs 74 on Spirit.

On the 16 routes both airlines fly regularly, SkyWest had the better on-time record on 8 and Spirit on 8.

SkyWest vs Spirit: key numbers

Last 12 months, all flights each airline operated.

SkyWestSpirit

On-time arrivals79.0%72.8%

On-time departures80.9%72.5%

Cancelled1.8%3.9%

Diverted0.3%0.2%

On-time arrival % each month, last 24 months.

SkyWestSpirit

50%60%70%80%90%

Aug ’24Nov ’24Feb ’25May ’25Aug ’25Nov ’25Feb ’26May ’26

Share of each airline’s reported delay minutes by cause, last 12 months.

SkyWestSpirit

Airline (carrier)47.0%30.6%

Weather14.0%2.0%

Air traffic system (NAS)17.2%37.0%

Security0.1%0.3%

Late-arriving aircraft21.7%30.1%

16 routes where each airline had at least 100 completed flights in the last 12 months. Better on-time rate in bold.

Route	SkyWest on time	Spirit on time	SkyWest flights	Spirit flights
LAS → SAN	73.8%	80.4%	1,322	169
SAN → LAS	79.3%	85.0%	1,321	170
SNA → LAS	86.2%	89.8%	734	680
LAS → SNA	87.5%	88.2%	734	679
LAS → LAX	84.3%	87.6%	343	555
LAX → LAS	85.8%	84.9%	342	550
LAX → SAT	86.0%	82.4%	697	130
SAT → LAX	90.6%	83.3%	697	130
IAH → LAX	79.5%	81.7%	408	394
LAX → IAH	83.0%	75.9%	408	392
LAS → SMF	90.3%	78.0%	314	129
SMF → LAS	92.5%	85.2%	313	129
ORD → MSY	79.4%	70.5%	109	206
MSY → ORD	72.0%	71.6%	109	205
SJC → LAS	80.1%	83.1%	171	138
LAS → SJC	81.3%	83.1%	171	137