Frontier Airlines in April 2025

72.5%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 April 2025, Frontier Airlines (F9) reported 17,451 scheduled domestic flights. 72.5% arrived on time, 1.2% were cancelled and 0.2% diverted.

All reporting carriers together recorded 79.5% on time and 0.8% cancelled that month, so the carrier was 7.0 points below the combined figure.

A year earlier, in April 2024, it reported 17,081 flights with 69.1% on time: a change of +3.4 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 52%, air carrier 29% and national aviation system 17%.

On time 72.5%
Arrived 15+ minutes late 26.1%
Cancelled 1.2%
Diverted 0.2%

Every scheduled domestic flight reported by Frontier Airlines in April 2025.

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

Measure	Apr 2025	Apr 2024	F9, 12 months to Jul 2026	All carriers, Apr 2025
Arrived on time	72.5%	69.1%	71.6%	79.5%
Departed on time	73.1%	69.0%	72.3%	80.6%
Cancelled	1.2%	1.7%	1.9%	0.8%
Average arrival delay	13.3 min	18.6 min	13.3 min	5.7 min
Scheduled flights a day	582	569	574	19,465
Scheduled flights	17,451	17,081	209,405	583,950

85 airports and 620 routes had F9 flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
DEN Denver	1,791	71.9%	10.4 min	1.1%
MCO Orlando	1,773	76.9%	8.5 min	0.7%
ATL Atlanta	1,083	59.4%	34.8 min	2.7%
LAS Las Vegas	1,008	76.5%	4.9 min	0.7%
PHL Philadelphia	930	71.9%	12.5 min	1.1%
PHX Phoenix	798	79.1%	5.3 min	0.3%
TPA Tampa	782	71.4%	12.3 min	1.3%
DFW Dallas/Fort Worth	694	72.3%	13.6 min	1.4%
CLE Cleveland	568	78.0%	1.8 min	1.1%
SJU San Juan	528	70.6%	19.3 min	1.5%
MIA Miami	395	77.5%	6.5 min	1.5%
SFO San Francisco	371	70.6%	21.5 min	0.8%
CVG Cincinnati	367	76.0%	6.0 min	1.6%
LAX Los Angeles	366	73.5%	13.1 min	0.3%
IAH Houston	295	64.7%	32.9 min	0.7%

By scheduled departure hour

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

Share of F9 flights that arrived on time, by scheduled departure hour (local time at each origin), April 2025.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Apr 2025	Minutes
Air carrier	28.9%	32.7%	109,086
Late-arriving aircraft	51.9%	39.4%	195,398
National Aviation System	16.5%	22.2%	62,141
Extreme weather	2.7%	5.5%	10,195
Security	0.0%	0.2%	0

376,820 delay minutes on 4,560 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 Frontier Airlines flights were on time in April 2025?

72.5% of 17,451 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 79.5% that month.

How does that compare with a year earlier?

In April 2024 the carrier reported 17,081 flights with 69.1% on time and 1.7% cancelled, against 72.5% and 1.2% in April 2025.

Provenance

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