Allegiant vs Delta: On-Time Performance Compared

Last 12 months · Aug 2025 – Jul 2026

Data through July 2026 · Last updated October 18, 2026

Delta was more punctual than Allegiant over the last 12 months: 81.5% of its flights arrived on time, against 74.0%.

Allegiant cancelled fewer flights (0.7% vs 1.7%), and late flights averaged 88 minutes late on Allegiant vs 71 on Delta.

On the 4 routes both airlines fly regularly, Allegiant had the better on-time record on 1 and Delta on 3.

Allegiant vs Delta: key numbers

Last 12 months, all flights each airline operated.

AllegiantDelta

On-time arrivals74.0%81.5%

On-time departures75.9%81.9%

Cancelled0.7%1.7%

Diverted0.3%0.3%

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

AllegiantDelta

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.

AllegiantDelta

Airline (carrier)31.4%44.7%

Weather11.2%4.1%

Air traffic system (NAS)17.8%21.6%

Security0.2%0.1%

Late-arriving aircraft39.3%29.5%

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

Route	Allegiant on time	Delta on time	Allegiant flights	Delta flights
CVG → FLL	71.8%	78.8%	257	533
FLL → CVG	71.5%	72.0%	257	533
CVG → LAS	84.3%	81.5%	109	356
LAS → CVG	82.1%	89.0%	109	356