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Route · IAD → CLT · 2020–2025 BTS data

Washington to Charlotte

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAD to CLT (Washington to Charlotte) ranks #765 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

83.5%
On-time
+4.5 pts
vs US avg
88 min
Delay when late
13,287
Flights
#765 of 4927
Corpus placement

Cancelled

1.8%

Best Month

Sep 2025 95%

Worst Month

Dec 2025 69%

Distance

322 mi

Carriers

38

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 177 55 0 0 YX,OH,AA
Nov 2025 161 27 4 0 OH,AA,YX
Oct 2025 155 22 0 0 AA,OH,YX
Sep 2025 164 9 1 0 OH,YX,AA
Aug 2025 162 27 3 0 YX,AA,OH,UA
Jul 2025 156 34 10 0 OH,YX
Jun 2025 149 31 8 0 OH,YX
May 2025 198 56 7 0 OH,UA,YX
Apr 2025 224 43 0 0 OH,UA,YX,AA
Mar 2025 149 26 3 0 YX,OH,UA
Feb 2025 149 29 8 0 OH,UA,YX
Jan 2025 148 28 8 0 OH,UA,YX
Dec 2024 178 33 0 2 OH,UA,YX
Nov 2024 237 33 0 0 YX,UA,OH
Oct 2024 178 22 0 0 UA,YX,AA,OH
Sep 2024 156 25 2 0 OH,UA
Aug 2024 179 32 7 0 OH,UA
Jul 2024 182 45 6 0 AA,OH,UA
Jun 2024 190 29 1 0 OH,UA
May 2024 199 41 2 0 OH,UA
Apr 2024 173 35 1 2 OH,UA
Mar 2024 153 22 0 0 YX,OH,UA
Feb 2024 155 17 0 0 OH,UA
Jan 2024 146 33 4 0 YX,OH,UA

IAD–CLT seasonal on-time pattern

Best: September (90.3%) · weakest: July (78.7%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 81.8%

Strongest calendar month

September

90.3% on-time · ~171 flights/mo

Busiest calendar month

November

~202 flights/mo avg

Weakest calendar month

July

78.7% on-time · ~199 flights/mo

Cancellation Rate

1.8%

75 of 4,118 flights

Diversion Rate

0.1%

4 of 4,118 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

IAD - Washington

Full on-time, delay-cause, and seasonal performance for Washington, DC.

IAD on-time profile

CLT - Charlotte

Full on-time, delay-cause, and seasonal performance for Charlotte, NC.

CLT on-time profile

Compare the two airports

See IAD and CLT side by side on delays, cancellations, and reliability.

Compare IAD vs CLT

Origin-hub reliability standing

Mid-pack among IAD departures

From IAD, this corridor sits with 42 other 75–85% on-time routes out of 58 tracked departures, not the hub's reliability leaders (14 at ≥85%) and not the softest ( 2 below 75%). Destination: Charlotte · fleet on-time rank #1756 of 4927.

What the Data Says About IAD to CLT

Bureau of Transportation Statistics records show Washington to Charlotte (IAD to CLT) running a 83.5% on-time rate over 13,287 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 87.5 minutes. The 322-mile corridor is served by 38 carriers, and over the last 24 months 1.8% of 4,118 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 69% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, IAD–CLT peaks in September at 90.3% on-time while November carries the heaviest traffic (~202 flights per month) ; the softest month is July at 78.7%, a 11.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAD to CLT rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IAD to CLT ranks #765 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from IAD to CLT? ▼
Flights from Washington to Charlotte have a 83.5% on-time rate based on 13,287 flights. The average delay is 87.5 minutes. The best recent month was Sep 2025 with 95% on-time.
What is the cancellation rate for IAD to CLT? ▼
Over the last 24 months, 1.8% of flights on this route were cancelled (75 of 4,118 flights) and 0.1% were diverted.
How far is the flight from IAD to CLT? ▼
The flight distance from Washington (IAD) to Charlotte (CLT) is approximately 322 miles. This route is served by 38 carriers.
When is the best time to fly from IAD to CLT? ▼
The best recent month for on-time performance was Sep 2025 (95% on-time). The worst was Dec 2025 (69% on-time). Consider booking during months with historically better performance.

Airports on this route

IAD Airport

Washington
CLT Airport

Charlotte
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using IAD–CLT data

IAD–CLT runs 4.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IAD and CLT airport profiles: delay causes and top routes differ even on the same corridor. IAD airport
  • If your dates flex, September (90.3% on-time) beats July (78.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 83.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.