Allegiant Air in September 2025

82.8%arrived on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In September 2025, Allegiant Air (G4) reported 6,925 scheduled domestic flights. 82.8% arrived on time, 0.0% were cancelled and 0.1% diverted.

All reporting carriers together recorded 82.8% on time and 0.5% cancelled that month, so the carrier was level with the combined figure.

A year earlier, in September 2024, it reported 6,889 flights with 81.0% on time: a change of +1.8 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, air carrier 34% and national aviation system 16%.

On time 82.8%
Arrived 15+ minutes late 17.0%
Cancelled 0.0%
Diverted 0.1%

Every scheduled domestic flight reported by Allegiant Air in September 2025.

September 2025 against a year earlier, the carrier's year and all carriers

Measure	Sep 2025	Sep 2024	G4, 12 months to Jul 2026	All carriers, Sep 2025
Arrived on time	82.8%	81.0%	73.3%	82.8%
Departed on time	83.8%	81.4%	75.4%	83.1%
Cancelled	0.0%	2.3%	0.7%	0.5%
Average arrival delay	3.5 min	2.7 min	15.2 min	2.3 min
Scheduled flights a day	231	230	347	18,748
Scheduled flights	6,925	6,889	126,499	562,439

112 airports and 664 routes had G4 flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
SFB Sanford	537	81.4%	6.5 min	0.0%
LAS Las Vegas	532	79.7%	5.0 min	0.0%
PIE St. Petersburg	501	83.0%	0.4 min	0.0%
AZA Phoenix	313	89.5%	-4.0 min	0.0%
PGD Punta Gorda	297	87.9%	-5.6 min	0.0%
TYS Knoxville	246	81.7%	1.1 min	0.0%
AVL Asheville	234	87.6%	4.0 min	0.0%
CVG Cincinnati	219	88.1%	-1.2 min	0.0%
VPS Valparaiso	196	91.3%	-8.7 min	0.0%
BNA Nashville	181	81.8%	8.1 min	0.0%
FLL Fort Lauderdale	142	87.3%	3.3 min	0.0%
GRR Grand Rapids	135	81.5%	7.1 min	0.0%
SRQ Sarasota/Bradenton	124	92.7%	-15.1 min	0.0%
ABE Allentown/Bethlehem/Easton	123	87.8%	-1.5 min	0.0%
DSM Des Moines	123	86.2%	-3.7 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of G4 flights that arrived on time, by scheduled departure hour (local time at each origin), September 2025.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Sep 2025	Minutes
Air carrier	33.9%	34.3%	30,961
Late-arriving aircraft	37.1%	37.4%	33,872
National Aviation System	15.8%	22.6%	14,404
Extreme weather	13.0%	5.6%	11,838
Security	0.3%	0.1%	275

91,350 delay minutes on 1,177 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

What share of Allegiant Air flights were on time in September 2025?

82.8% of 6,925 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 82.8% that month.

How does that compare with a year earlier?

In September 2024 the carrier reported 6,889 flights with 81.0% on time and 2.3% cancelled, against 82.8% and 0.0% in September 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Allegiant Air · methodology · corrections.