Spirit Airlines in December 2024

77.1%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 December 2024, Spirit Airlines (NK) reported 18,662 scheduled domestic flights. 77.1% arrived on time, 0.5% were cancelled and 0.1% diverted.

All reporting carriers together recorded 78.1% on time and 0.7% cancelled that month, so the carrier was 1.0 points below the combined figure.

A year earlier, in December 2023, it reported 22,583 flights with 75.4% on time: a change of +1.7 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 39%, late-arriving aircraft 31% and air carrier 28%.

On time 77.1%
Arrived 15+ minutes late 22.3%
Cancelled 0.5%
Diverted 0.1%

Every scheduled domestic flight reported by Spirit Airlines in December 2024.

December 2024 against a year earlier, the carrier's year and all carriers

Measure	Dec 2024	Dec 2023	NK, 12 months to Jul 2026	All carriers, Dec 2024
Arrived on time	77.1%	75.4%	69.8%	78.1%
Departed on time	74.7%	72.0%	69.6%	77.8%
Cancelled	0.5%	0.4%	3.9%	0.7%
Average arrival delay	6.7 min	6.9 min	12.2 min	7.1 min
Scheduled flights a day	622	753	321	19,686
Scheduled flights	18,662	22,583	117,136	590,581

60 airports and 458 routes had NK flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
FLL Fort Lauderdale	2,056	73.0%	10.1 min	0.2%
LAS Las Vegas	1,758	84.8%	-0.8 min	0.2%
MCO Orlando	1,409	80.1%	3.0 min	0.4%
LAX Los Angeles	867	82.0%	2.5 min	0.3%
EWR Newark	864	71.4%	9.8 min	0.8%
ATL Atlanta	858	70.7%	14.6 min	0.7%
DTW Detroit	849	78.9%	2.6 min	0.5%
IAH Houston	798	76.9%	8.4 min	0.3%
DFW Dallas/Fort Worth	769	74.4%	11.7 min	0.1%
LGA New York	703	79.7%	1.3 min	0.3%
ORD Chicago	630	77.1%	6.5 min	0.5%
BOS Boston	519	69.4%	16.9 min	1.7%
BWI Baltimore	481	80.9%	2.8 min	0.4%
MSY New Orleans	437	76.7%	10.1 min	0.9%
MIA Miami	407	69.8%	12.2 min	1.0%

By scheduled departure hour

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

Share of NK flights that arrived on time, by scheduled departure hour (local time at each origin), December 2024.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Dec 2024	Minutes
Air carrier	27.8%	34.3%	79,019
Late-arriving aircraft	31.1%	40.2%	88,297
National Aviation System	38.7%	17.8%	110,029
Extreme weather	1.9%	7.5%	5,296
Security	0.5%	0.2%	1,469

284,110 delay minutes on 4,162 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 Spirit Airlines flights were on time in December 2024?

77.1% of 18,662 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 78.1% that month.

How does that compare with a year earlier?

In December 2023 the carrier reported 22,583 flights with 75.4% on time and 0.4% cancelled, against 77.1% and 0.5% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Spirit Airlines · methodology · corrections.