Alaska 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 79.6% of Alaska flights arrived on time, compared with 72.8% for Spirit.

Alaska cancelled fewer flights (1.2% vs 3.9%), and late flights averaged 52 minutes late on Alaska vs 74 on Spirit.

On the 2 routes both airlines fly regularly, Alaska had the better on-time record on 2 and Spirit on 0.

Alaska vs Spirit: key numbers

Last 12 months, all flights each airline operated.

AlaskaSpirit

On-time arrivals79.6%72.8%

On-time departures79.9%72.5%

Cancelled1.2%3.9%

Diverted0.3%0.2%

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

AlaskaSpirit

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.

AlaskaSpirit

Airline (carrier)33.1%30.6%

Weather4.4%2.0%

Air traffic system (NAS)24.1%37.0%

Security0.4%0.3%

Late-arriving aircraft37.9%30.1%

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

Route	Alaska on time	Spirit on time	Alaska flights	Spirit flights
EWR → LAX	73.5%	64.8%	522	286
LAX → EWR	90.6%	76.4%	521	286