Allegiant Air in May 2026

72.7%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 May 2026, Allegiant Air (G4) reported 10,570 scheduled domestic flights. 72.7% arrived on time, 0.2% were cancelled and 0.2% diverted.

All reporting carriers together recorded 77.6% on time and 0.9% cancelled that month, so the carrier was 4.9 points below the combined figure.

A year earlier, in May 2025, it reported 11,079 flights with 75.9% on time: a change of −3.2 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 36% and national aviation system 18%.

On time 72.7%
Arrived 15+ minutes late 27.0%
Cancelled 0.2%
Diverted 0.2%

Every scheduled domestic flight reported by Allegiant Air in May 2026.

May 2026 against a year earlier, the carrier's year and all carriers

Measure	May 2026	May 2025	G4, 12 months to Jul 2026	All carriers, May 2026
Arrived on time	72.7%	75.9%	73.3%	77.6%
Departed on time	74.6%	77.2%	75.4%	77.1%
Cancelled	0.2%	0.2%	0.7%	0.9%
Average arrival delay	17.4 min	12.2 min	15.2 min	6.2 min
Scheduled flights a day	352	369	347	20,391
Scheduled flights	10,570	11,079	126,499	611,735

125 airports and 1,002 routes had G4 flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
SFB Sanford	842	70.5%	14.8 min	0.1%
PIE St. Petersburg	790	80.4%	7.0 min	0.0%
LAS Las Vegas	569	77.0%	12.7 min	0.0%
PGD Punta Gorda	550	79.8%	5.1 min	0.0%
AZA Phoenix	480	75.8%	12.4 min	0.0%
FLL Fort Lauderdale	417	55.6%	29.0 min	0.0%
CVG Cincinnati	319	71.8%	12.8 min	0.0%
TYS Knoxville	270	71.1%	19.6 min	0.0%
SRQ Sarasota/Bradenton	269	88.5%	-3.1 min	0.0%
VPS Valparaiso	269	65.1%	17.3 min	0.0%
AVL Asheville	238	83.2%	5.4 min	0.0%
BNA Nashville	194	72.7%	17.0 min	0.5%
GRR Grand Rapids	181	82.9%	-0.4 min	0.0%
ABE Allentown/Bethlehem/Easton	162	83.3%	1.1 min	0.0%
DSM Des Moines	157	79.6%	1.3 min	0.6%

By scheduled departure hour

100

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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	All carriers, May 2026	Minutes
Air carrier	35.7%	33.0%	89,524
Late-arriving aircraft	37.6%	40.4%	94,141
National Aviation System	17.8%	20.5%	44,603
Extreme weather	8.6%	6.0%	21,641
Security	0.3%	0.1%	782

250,691 delay minutes on 2,850 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 May 2026?

72.7% of 10,570 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 77.6% that month.

How does that compare with a year earlier?

In May 2025 the carrier reported 11,079 flights with 75.9% on time and 0.2% cancelled, against 72.7% and 0.2% in May 2026.

Provenance

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