Indianapolis International in March 2025

82.8%departed 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, reporting carriers scheduled 4,264 domestic departures from Indianapolis International (IND). 82.8% left less than 15 minutes late and 82.0% reached their destination on time; 1.1% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so IND departures were 2.9 points above the national departure figure.

A year earlier, in March 2024, the airport had 4,253 departures with 81.7% leaving on time: a change of +1.1 points, with flights up 0%.

Flights arriving at IND that month were on time 79.9% of the time (4,267 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, national aviation system 35% and air carrier 22%.

On time 82.0%
Arrived 15+ minutes late 16.7%
Cancelled 1.1%
Diverted 0.1%

Every scheduled departure from IND in March 2025, judged by arrival at the destination.

March 2025 against a year earlier, the airport's year and the nation

Measure	Mar 2025	Mar 2024	IND, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	82.8%	81.7%	79.4%	79.9%
Arrived on time	82.0%	82.2%	78.9%	79.3%
Cancelled	1.1%	0.9%	1.9%	1.2%
Average departure delay (late minutes only)	12.3 min	13.1 min	14.9 min	14.9 min
Scheduled departures a day	142	142	133	20,029
Scheduled departures	4,264	4,253	48,559	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	1,275	30%	79.8%	4.8 min	0.8%
YX Republic Airline	1,246	29%	84.5%	0.0 min	1.4%
AA American Airlines	509	12%	81.1%	3.8 min	1.2%
DL Delta Air Lines	321	8%	88.5%	-5.6 min	0.6%
NK Spirit Airlines	258	6%	80.6%	0.1 min	2.7%
G4 Allegiant Air	173	4%	80.3%	9.2 min	0.0%
UA United Airlines	151	4%	84.8%	-3.1 min	0.0%
MQ Envoy Air	104	2%	76.0%	8.7 min	0.0%
F9 Frontier Airlines	77	2%	71.4%	0.1 min	5.2%
OH PSA Airlines	77	2%	76.6%	11.4 min	2.6%
OO SkyWest Airlines	42	1%	88.1%	2.7 min	0.0%
AS Alaska Airlines	31	1%	77.4%	10.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IND–ORD	Indianapolis to Chicago	410	84.1%	0.5 min	1.2%
IND–ATL	Indianapolis to Atlanta	293	86.0%	-2.6 min	0.7%
IND–MCO	Indianapolis to Orlando	267	81.6%	4.5 min	1.5%
IND–DEN	Indianapolis to Denver	197	82.2%	-2.2 min	0.0%
IND–LGA	Indianapolis to New York	192	83.3%	-0.2 min	0.5%
IND–DFW	Indianapolis to Dallas/Fort Worth	185	77.3%	7.6 min	2.2%
IND–EWR	Indianapolis to Newark	178	85.4%	-1.7 min	2.8%
IND–DCA	Indianapolis to Washington	176	79.5%	4.2 min	2.8%
IND–TPA	Indianapolis to Tampa	173	79.8%	0.7 min	2.9%
IND–BOS	Indianapolis to Boston	165	82.4%	0.5 min	1.2%
IND–PHX	Indianapolis to Phoenix	157	84.1%	-0.3 min	0.6%
IND–CLT	Indianapolis to Charlotte	155	80.6%	9.1 min	0.6%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	22.1%	33.0%	11,234
Late-arriving aircraft	38.1%	39.2%	19,317
National Aviation System	34.9%	21.9%	17,715
Extreme weather	4.5%	5.9%	2,295
Security	0.3%	0.1%	175

50,736 delay minutes on 714 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

How many flights left IND on time in March 2025?

82.8% of 4,264 scheduled domestic departures left less than 15 minutes late, and 82.0% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 81.7% of 4,253 departures left on time and 0.9% were cancelled, against 82.8% and 1.1% in March 2025.

Provenance

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