Route Reliability
Key West → Washington
EYW–IAD · 1,024 miles · Key West International Airport to Washington Dulles International Airport
84
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 1.3%
- Cancelled
- 151
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 81% of the time across 151 flights. No comparison to make.
What the data says
The late departure is the smart one here.
EYW–IAD flights departing between 6–9 PM arrived on time 83% of the time, versus 72% between 3–6 PM.
Friday is doing you no favors.
EYW–IAD flights arrived on time 95% of the time on Tuesdays and just 64% on Fridays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon81%(21 flights)
- Tue95%(21 flights)
- Wed95%(21 flights)
- Thu86%(21 flights)
- Fri64%(22 flights)
- Sat73%(22 flights)
- Sun76%(21 flights)
- 12–3 PM79%(19 flights)
- 3–6 PM72%(18 flights)
- 6–9 PM83%(112 flights)
93%
Apr
Dec 75% → Apr 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 75% | 28 |
| January 2026 | 88% | 34 |
| February 2026 | 75% | 28 |
| March 2026 | 73% | 30 |
| April 2026 | 93% | 29 |
Same trip, other airports
Keep nerding
Based on 151 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.