Route
CHS → IAD
Charleston International Airport Washington Dulles International Airport
How punctual is this route?
- On-time arrivals
- 84.7%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 762
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 67%
- Air traffic control & airport 23%
- Airline (crew, maintenance, cleaning) 7%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.0% | 50 |
| October 2025 | 86.3% | 51 |
| November 2025 | 80.0% | 61 |
| December 2025 | 71.9% | 57 |
| January 2026 | 75.0% | 57 |
| February 2026 | 88.7% | 53 |
| March 2026 | 79.5% | 90 |
| April 2026 | 85.7% | 77 |
| May 2026 | 92.7% | 82 |
| June 2026 | 91.7% | 60 |
| July 2026 | 85.2% | 62 |
| August 2026 | 83.9% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 486 | 85.1% | 0.6% | 94 min |
| Republic Airways | 276 | 84.1% | 1.8% | 101 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1858
7% late · 249 flights
-
YX3401
15% late · 132 flights
-
UA780
25% late · 56 flights
-
UA1883
33% late · 52 flights
-
UA1134
35% late · 37 flights
-
YX3409
4% late · 28 flights
-
YX3417
20% late · 27 flights
-
YX3635
27% late · 24 flights
-
YX3439
14% late · 22 flights
-
UA1757
33% late · 21 flights
-
UA547
0% late · 21 flights
-
UA1238
0% late · 20 flights
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