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Route Reliability

Washington → Charlotte

IAD–CLT · 322 miles · Washington Dulles International Airport to Charlotte Douglas International Airport

79
Usually Fine
WanderNerd Reliability Score
82%
Arrive within 15 minutes
4 min
Average arrival delay
2.7%
Cancelled
2,763
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines85%1,501 flights
  2. 2.United Airlines79%1,262 flights

What the data says

Morning flights do better here.

IAD–CLT flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 76% between 6–9 PM.

Sunday scaries are real for this one.

IAD–CLT flights arrived on time 86% of the time on Wednesdays. On Sundays: 76%.

American Airlines has a slight edge here.

American Airlines arrived on time 85% of the time on this route; United Airlines managed 79%.

Ticking up lately.

IAD–CLT flights arrived on time 85% of the time over the last three months in the data, compared with 82% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon82%(402 flights)
  • Tue84%(361 flights)
  • Wed86%(364 flights)
  • Thu80%(397 flights)
  • Fri86%(399 flights)
  • Sat82%(350 flights)
  • Sun76%(413 flights)
On-time by departure window
  • 3–6 AM87%(63 flights)
  • 6–9 AM85%(500 flights)
  • 9 AM–12 PM93%(347 flights)
  • 12–3 PM84%(651 flights)
  • 3–6 PM76%(632 flights)
  • 6–9 PM76%(200 flights)
  • 9 PM–12 AM77%(293 flights)
On-time trend by month
82%
May

Jun 74% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%258
July 202574%249
August 202584%245
September 202595%223
October 202583%230
November 202582%223
December 202572%241
January 202686%191
February 202687%173
March 202685%197
April 202687%219
May 202682%237

Same trip, other airports

Keep nerding

Based on 2,763 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.