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Route Reliability

Washington → Albany

IAD–ALB · 324 miles · Washington Dulles International Airport to Albany International Airport

72
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
21 min
Average arrival delay
1.6%
Cancelled
1,427
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 76% of the time across 1,427 flights. No comparison to make.

What the data says

The late departure is the smart one here.

IAD–ALB flights departing between 9 PM–12 AM arrived on time 79% of the time, versus 69% between 3–6 PM.

Sunday scaries are real for this one.

IAD–ALB flights arrived on time 81% of the time on Thursdays. On Sundays: 68%.

Ticking up lately.

IAD–ALB flights arrived on time 78% of the time over the last three months in the data, compared with 75% 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

The breakdown

On-time by weekday
  • Mon78%(198 flights)
  • Tue77%(199 flights)
  • Wed80%(199 flights)
  • Thu81%(201 flights)
  • Fri69%(205 flights)
  • Sat79%(194 flights)
  • Sun68%(205 flights)
On-time by departure window
  • 6–9 AM77%(336 flights)
  • 12–3 PM79%(353 flights)
  • 3–6 PM69%(355 flights)
  • 9 PM–12 AM79%(357 flights)
On-time trend by month
79%
May

Jun 61% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%118
July 202561%114
August 202581%121
September 202586%120
October 202586%123
November 202577%118
December 202567%118
January 202677%102
February 202683%103
March 202669%121
April 202687%120
May 202679%123

Same trip, other airports

Keep nerding

Based on 1,427 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.