Airport month record

CLTJUL

Charlotte Douglas International in July 2025

Departures: 16,447
Month: July 2025
National, same month: 71.1%
Carriers: 10

Historical statistics for July 2025, not live status or a forecast for this year’s July. For today’s conditions at CLT, see live FAA status.

CLT in July draws a C. About one flight in three arrives at least 15 minutes late, and the typical late arrival is a little over an hour behind schedule. Build slack into anything you connect to. That rests on 16,447 flights, of which Delta Air Lines flew 516 at 81.0% on time.

Delta Air Lines is the most reliable of the four carriers covered here at 81.0% on time across 516 flights.

On time

65.7%

Arrivals under 15 minutes late, of 16,004 completed departures

Avg delay

79 min

Across delayed arrivals only, not all flights

Cancelled

2.31%

Nationally in July: 2.45%

Whole year

76.7%

CLT across all twelve months

These figures cover 16,447 departures from Charlotte Douglas International in July 2025. On time means an arrival less than 15 minutes after the scheduled gate time, the DOT's threshold, and the national comparison uses every US departure in the same month rather than the whole year.

Against the year

July next to CLT's other months

Against CLT's own year, July ran 11 points worse than the twelve-month rate of 76.7%, which makes it the worst of the twelve months in the data.

CLT month by month
Month	Flights	On time	Avg delay	Cancelled	Grade
July 2025 (this page)	16,447	65.7%	79 min	2.31%	C
August 2025	15,628	72.8%	71 min	0.91%	C+
September 2025	15,192	84.0%	67 min	0.37%	B+
October 2025	16,273	81.2%	65 min	0.23%	B+
November 2025	14,945	81.1%	69 min	1.45%	B
December 2025	14,975	73.3%	67 min	0.82%	C+
January 2026	14,222	80.7%	73 min	10.98%	B−
February 2026	13,192	78.7%	70 min	3.43%	B−
March 2026	15,278	75.7%	76 min	2.38%	B
April 2026	15,396	78.8%	64 min	0.23%	B+
May 2026	15,778	77.4%	64 min	0.30%	B+
June 2026	15,079	72.1%	77 min	1.67%	C

Departure window

The best time of day to leave CLT in July

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 40 points, against 19 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

5am–8am1,431 flights87.6%
8am–11am2,319 flights85.2%
11am–2pm3,095 flights78.6%
2pm–5pm3,152 flights58.8%
5pm–8pm2,596 flights47.3%
8pm–5am3,854 flights52.6%

Scale runs 40% to 95%. Rows with fewer than 30 flights show a dash.

The 5pm–8pm window is where this operation falls apart: 47.3% on time, against 87.6% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 8pm–5am window is the busiest, with 3,854 flights scheduled in it.

Across the week, Friday is the strongest day at 72.4% on time and Tuesday the weakest at 57.9%. 15 points is a smaller lever than departure hour, but it is free.

Carrier by carrier

Which airlines ran best at CLT in July

The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 81.0% of the time; American Airlines manages 61.7%. Sample sizes sit next to every figure, because a two-point gap across 10,137 flights means less than a ten-point one.

Carriers at CLT in July 2025
Airline	Flights	On time	Avg delay	Cancelled	Grade
American Airlines	10,137	61.7%	79 min	2.29%	D
PSA Airlines	3,723	71.0%	76 min	2.20%	C
Delta Air Lines	516	81.0%	70 min	0.78%	B+
Envoy Air	490	79.1%	49 min	1.22%	B
Spirit Airlinesthin sample	351	75.7%	74 min	1.99%	B
Southwest Airlinesthin sample	329	62.3%	66 min	1.52%	D
United Airlinesthin sample	326	69.5%	128 min	3.99%	C−
Republic Airwaysthin sample	268	72.2%	103 min	7.09%	C−
Frontier Airlinesthin sample	211	56.5%	91 min	4.74%	D−
SkyWest Airlinesthin sample	96	83.0%	82 min	2.08%	B

The spread between Delta and American is 19 points, wide enough that it should decide the booking. On a hundred trips that is 19 more arrivals inside the on-time window.

Route by route

Busiest routes out of CLT in July

Routes from CLT in July 2025
Route	Flights	On time	Avg delay	Cancelled	Grade
CLT to ATL · Atlanta	409	77.0%	69 min	1.96%	B
CLT to LGA · New York	406	59.4%	94 min	5.67%	D−
CLT to MCO · Orlando	401	49.5%	78 min	2.24%	F
CLT to BOS · Bostonthin sample	359	62.6%	72 min	4.74%	D−
CLT to ORD · Chicagothin sample	347	57.4%	86 min	2.31%	D
CLT to DFW · Dallas-Fort Worththin sample	347	71.9%	76 min	2.02%	C
CLT to BNA · Nashvillethin sample	331	68.2%	67 min	0.91%	C+
CLT to EWR · Newarkthin sample	323	58.8%	137 min	8.67%	D−
CLT to TPA · Tampathin sample	314	56.5%	80 min	1.59%	D
CLT to DTW · Detroitthin sample	313	73.4%	82 min	1.28%	C
CLT to BWI · Baltimorethin sample	310	56.0%	84 min	3.87%	D−
CLT to MIA · Miamithin sample	308	62.0%	65 min	2.60%	D
CLT to RDU · Raleighthin sample	292	61.4%	73 min	2.40%	D
CLT to PHL · Philadelphiathin sample	289	67.0%	78 min	5.19%	C−
CLT to DEN · Denverthin sample	254	58.1%	79 min	1.18%	D
CLT to LAX · Los Angelesthin sample	251	63.1%	57 min	0.80%	D+
CLT to PHX · Phoenixthin sample	247	68.9%	51 min	1.21%	C
CLT to DCA · Washingtonthin sample	246	61.1%	111 min	7.72%	D−
CLT to FLL · Fort Lauderdalethin sample	244	60.3%	73 min	3.28%	D−
CLT to CHS · Charlestonthin sample	240	68.8%	90 min	1.25%	C
CLT to RIC · Richmondthin sample	235	59.1%	80 min	4.26%	D−
CLT to LAS · Las Vegasthin sample	231	72.4%	81 min	1.73%	C
CLT to MSP · Minneapolisthin sample	225	73.4%	66 min	2.67%	C
CLT to IAH · Houstonthin sample	222	59.3%	80 min	2.70%	D
CLT to ORF · Norfolkthin sample	206	59.9%	77 min	1.94%	D

Delay causes

What held CLT up in July

One category carries most of the weight here. Late-arriving aircraft accounts for 48% of the 431,000 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Late-arriving aircraft
48%
Carrier
25%
National Airspace System
16%
Extreme weather
11%
Security
0%

48% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 431,000 reported delay minutes here, that single category outweighs weather by 5 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 431,141 reported delay minutes.

Cancellations sit at 2.31% against a national 2.45%, which is ordinary. Diversions add another 0.38%.

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 15.3% of arrivals land a full hour or more behind schedule, against 12.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

What to do with this

Flying from CLT in July

For a July trip through CLT: plan on this being one of the airport's harder months. The 5am–8am departures held up best at 87.6% on time, and with 15.3% of arrivals an hour or more late, a connection here deserves more slack than the same trip in September would.

Charlotte Douglas International (CLT), the whole year
CLT in August72.8%
CLT in September84.0%
CLT in October81.2%
CLT in November81.1%
CLT in December73.3%
CLT in January80.7%
CLT in February78.7%
CLT in March75.7%
CLT in April78.8%
CLT in May77.4%
CLT in June72.1%

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures