The Eastern Iowa in May 2025

78.5%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 May 2025, reporting carriers scheduled 656 domestic departures from The Eastern Iowa (CID). 78.5% left less than 15 minutes late and 74.8% reached their destination on time; 1.4% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so CID departures were 1.8 points above the national departure figure.

A year earlier, in May 2024, the airport had 669 departures with 73.4% leaving on time: a change of +5.1 points, with flights down 2%.

Flights arriving at CID that month were on time 73.9% of the time (656 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 32% and national aviation system 22%.

On time 74.8%
Arrived 15+ minutes late 23.6%
Cancelled 1.4%
Diverted 0.2%

Every scheduled departure from CID in May 2025, judged by arrival at the destination.

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

Measure	May 2025	May 2024	CID, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	78.5%	73.4%	76.8%	76.7%
Arrived on time	74.8%	70.7%	74.9%	75.4%
Cancelled	1.4%	1.8%	2.7%	1.0%
Average departure delay (late minutes only)	22.4 min	28.1 min	23.5 min	17.5 min
Scheduled departures a day	22	22	23	20,188
Scheduled departures	656	669	8,397	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	190	29%	77.4%	7.1 min	3.2%
OO SkyWest Airlines	113	17%	71.7%	11.7 min	0.0%
UA United Airlines	93	14%	76.3%	15.4 min	0.0%
AA American Airlines	92	14%	63.0%	38.8 min	1.1%
G4 Allegiant Air	87	13%	81.6%	15.1 min	0.0%
DL Delta Air Lines	31	5%	87.1%	-4.5 min	0.0%
OH PSA Airlines	31	5%	77.4%	9.4 min	3.2%
F9 Frontier Airlines	13	2%	61.5%	66.8 min	7.7%
YX Republic Airline	6	1%	66.7%	-2.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CID–ORD	Cedar Rapids/Iowa City to Chicago	207	77.3%	6.9 min	2.4%
CID–DEN	Cedar Rapids/Iowa City to Denver	98	64.3%	32.6 min	1.0%
CID–DFW	Cedar Rapids/Iowa City to Dallas/Fort Worth	92	62.0%	20.4 min	2.2%
CID–PHX	Cedar Rapids/Iowa City to Phoenix	61	90.2%	-2.1 min	0.0%
CID–ATL	Cedar Rapids/Iowa City to Atlanta	31	87.1%	-4.5 min	0.0%
CID–CLT	Cedar Rapids/Iowa City to Charlotte	31	67.7%	63.9 min	0.0%
CID–DCA	Cedar Rapids/Iowa City to Washington	31	77.4%	9.4 min	3.2%
CID–MSP	Cedar Rapids/Iowa City to Minneapolis	18	72.2%	5.7 min	0.0%
CID–PGD	Cedar Rapids/Iowa City to Punta Gorda	18	88.9%	13.7 min	0.0%
CID–PIE	Cedar Rapids/Iowa City to St. Petersburg	15	80.0%	8.7 min	0.0%
CID–SFB	Cedar Rapids/Iowa City to Sanford	12	75.0%	9.9 min	0.0%
CID–AZA	Cedar Rapids/Iowa City to Phoenix	11	100.0%	-8.9 min	0.0%

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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	32.4%	29.3%	4,777
Late-arriving aircraft	35.8%	37.8%	5,270
National Aviation System	22.2%	25.9%	3,273
Extreme weather	9.3%	6.9%	1,369
Security	0.3%	0.1%	48

14,737 delay minutes on 155 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 CID on time in May 2025?

78.5% of 656 scheduled domestic departures left less than 15 minutes late, and 74.8% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 73.4% of 669 departures left on time and 1.8% were cancelled, against 78.5% and 1.4% in May 2025.

Provenance

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