Washington, DC
BWashington, DC, DC — IAD
On-Time Rate
81.2%
2019-2025
Avg Delay
14.4 min
when delayed
Cancel Rate
2.0%
flights cancelled
Total Flights
369,064
2019-2025
Best Month
Nov
87.5% on-time
Worst Month
Jul
73.7% on-time
Best Departure Time
5:00
89.7% on-time
12-Month On-Time Trend
Delay Causes
Best Time to Fly (By Hour)
Seasonal Pattern
Airlines at IAD
| Airline | Flights | On-Time | Avg Delay |
|---|---|---|---|
| United Airlines | 186,521 | 81.1% | 0.0 min |
| Mesa Airlines | 51,079 | 80.5% | 0.0 min |
| Republic Airways | 41,099 | 82.7% | 0.0 min |
| SkyWest Airlines | 22,996 | 81.4% | 0.0 min |
| Delta Air Lines | 18,649 | 85.8% | 0.0 min |
| Southwest Airlines | 11,005 | 82.5% | 0.0 min |
| Alaska Airlines | 10,287 | 76.8% | 0.0 min |
| PSA Airlines | 9,474 | 82.4% | 0.0 min |
| American Airlines | 8,079 | 78.6% | 0.0 min |
| Endeavor Air | 4,442 | 84.8% | 0.0 min |
Most Delayed Routes
| Destination | On-Time |
|---|---|
| IAD → EWRNewark, NJ | 72.0% |
| IAD → LGANew York, NY | 72.9% |
| IAD → AVLAsheville, NC | 73.1% |
| IAD → OKCOklahoma City, OK | 73.3% |
| IAD → ANCAnchorage, AK | 73.5% |
Most Punctual Routes
| Destination | On-Time |
|---|---|
| IAD → PSPPalm Springs, CA | 91.0% |
| IAD → BZNBozeman, MT | 88.5% |
| IAD → SLCSalt Lake City, UT | 87.8% |
| IAD → STTCharlotte Amalie, VI | 86.6% |
| IAD → ABQAlbuquerque, NM | 86.2% |
Was your flight from Washington, DC delayed?
You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.
Check CompensationData source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019-2025. See our data methodology for details.