Frontier Airlines in March 2025

73.2%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 March 2025, Frontier Airlines (F9) reported 18,846 scheduled domestic flights. 73.2% arrived on time, 2.0% were cancelled and 0.2% diverted.

All reporting carriers together recorded 79.3% on time and 1.2% cancelled that month, so the carrier was 6.1 points below the combined figure.

A year earlier, in March 2024, it reported 17,324 flights with 66.4% on time: a change of +6.8 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 30% and national aviation system 21%.

On time 73.2%
Arrived 15+ minutes late 24.6%
Cancelled 2.0%
Diverted 0.2%

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

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

Measure	Mar 2025	Mar 2024	F9, 12 months to Jul 2026	All carriers, Mar 2025
Arrived on time	73.2%	66.4%	71.6%	79.3%
Departed on time	74.1%	64.9%	72.3%	79.9%
Cancelled	2.0%	2.7%	1.9%	1.2%
Average arrival delay	10.7 min	21.7 min	13.3 min	5.5 min
Scheduled flights a day	628	578	574	20,029
Scheduled flights	18,846	17,324	209,405	600,872

84 airports and 617 routes had F9 flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
DEN Denver	1,938	77.2%	5.2 min	0.4%
MCO Orlando	1,858	74.7%	8.6 min	1.8%
ATL Atlanta	1,070	64.7%	24.6 min	2.3%
LAS Las Vegas	1,066	76.6%	5.0 min	1.2%
TPA Tampa	879	70.1%	14.2 min	3.2%
PHL Philadelphia	878	73.8%	7.9 min	3.0%
PHX Phoenix	877	78.3%	5.3 min	0.9%
DFW Dallas/Fort Worth	787	75.2%	8.3 min	2.9%
CLE Cleveland	641	74.1%	4.8 min	2.2%
SJU San Juan	546	67.8%	22.0 min	2.2%
MIA Miami	450	77.6%	6.4 min	2.7%
LAX Los Angeles	442	72.9%	9.1 min	0.5%
CVG Cincinnati	430	77.4%	4.4 min	2.8%
SFO San Francisco	387	72.1%	12.9 min	2.1%
IAH Houston	379	60.2%	23.1 min	2.4%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Mar 2025	Minutes
Air carrier	29.5%	33.0%	111,345
Late-arriving aircraft	48.7%	39.2%	183,557
National Aviation System	20.6%	21.9%	77,545
Extreme weather	1.2%	5.9%	4,554
Security	0.0%	0.1%	0

377,001 delay minutes on 4,635 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 March 2025?

73.2% of 18,846 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 79.3% that month.

How does that compare with a year earlier?

In March 2024 the carrier reported 17,324 flights with 66.4% on time and 2.7% cancelled, against 73.2% and 2.0% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 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.