Route Reliability
Nashville → Washington
BNA–IAD · 542 miles · Nashville International Airport to Washington Dulles International Airport
- 79%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.1%
- Cancelled
- 1,064
- Flights in the data
Data through May 2026.
Airlines on this route
- United Airlines79% on time · 1,023 flights
- Allegiant Air85% on time · 40 flights
- Southwest Airlines100% on time · 1 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning flights do better here.
BNA–IAD flights departing between 6–9 AM arrived on time 89% of the time, versus 70% between 6–9 PM.
Sunday scaries are real for this one.
BNA–IAD flights arrived on time 84% of the time on Wednesdays. On Sundays: 74%.
Slipping a little lately.
BNA–IAD flights arrived on time 78% of the time over the last three months in the data, compared with 85% 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
- Mon74%(151 flights)
- Tue83%(133 flights)
- Wed84%(140 flights)
- Thu82%(164 flights)
- Fri76%(152 flights)
- Sat83%(142 flights)
- Sun74%(166 flights)
- 6–9 AM89%(345 flights)
- 9 AM–12 PM88%(34 flights)
- 12–3 PM77%(354 flights)
- 6–9 PM70%(315 flights)
Jun 74% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 125 |
| July 2025 | 69% | 96 |
| August 2025 | 89% | 100 |
| September 2025 | 82% | 79 |
| October 2025 | 81% | 93 |
| November 2025 | 73% | 88 |
| December 2025 | 81% | 84 |
| January 2026 | 86% | 59 |
| February 2026 | 88% | 65 |
| March 2026 | 70% | 86 |
| April 2026 | 85% | 88 |
| May 2026 | 80% | 85 |
Same trip, other airports
Keep nerding
Based on 1,064 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.