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Route Reliability

Knoxville → Washington

TYS–DCA · 437 miles · McGhee Tyson Airport to Ronald Reagan Washington National Airport

48
Bring Snacks
WanderNerd Reliability Score
72%
Arrive within 15 minutes
26 min
Average arrival delay
5.1%
Cancelled
1,021
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 72% of the time across 1,021 flights. No comparison to make.

What the data says

Morning-you made the right choice.

TYS–DCA flights departing between 6–9 AM arrived on time 82% of the time, versus 54% between 6–9 PM.

Skip Monday if you can.

TYS–DCA flights arrived on time 78% of the time on Sundays. On Mondays: 68%.

Keep a backup plan handy.

This route was cancelled 5.1% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

TYS–DCA flights arrived on time 73% of the time over the last three months in the data, compared with 66% 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
  • Mon68%(137 flights)
  • Tue73%(145 flights)
  • Wed71%(146 flights)
  • Thu70%(142 flights)
  • Fri68%(138 flights)
  • Sat74%(113 flights)
  • Sun78%(141 flights)
On-time by departure window
  • 3–6 AM—(6 flights)
  • 6–9 AM82%(322 flights)
  • 9 AM–12 PM74%(291 flights)
  • 12–3 PM80%(73 flights)
  • 3–6 PM55%(257 flights)
  • 6–9 PM54%(13 flights)
On-time trend by month
84%
May

Jun 75% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%79
July 202568%77
August 202571%83
September 202579%86
October 202574%88
November 202570%81
December 202557%61
January 202672%71
February 202668%76
March 202659%82
April 202677%87
May 202684%91

Same trip, other airports

Keep nerding

Based on 1,021 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.