PlainFlights
IAD

Washington, DC

Washington, Virginia

Data coverage: 2020 — 2024

Total Flights

503,119

On-Time Rate

84.6%

Avg Delay

80.8 min

Delayed

77,297

Cancelled

5,861

Delay Causes

Top delay cause: Carrier

Late Aircraft 29.4%
Carrier 40.2%
NAS (National Aviation System) 20.8%
Weather 9.5%
Security 0.1%

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2024 8,957 870 840 14 14
Nov 2024 9,334 525 501 16 9
Oct 2024 9,325 434 445 31 4
Sep 2024 8,627 482 507 22 6
Aug 2024 9,158 1,000 887 132 9
Jul 2024 9,384 1,101 1,066 103 13
Jun 2024 9,037 808 798 47 8
May 2024 9,295 821 896 26 15
Apr 2024 8,612 637 624 19 10
Mar 2024 8,558 660 722 11 7
Feb 2024 7,523 339 450 13 4
Jan 2024 7,976 681 748 282 5
Dec 2023 7,954 520 567 11 10
Nov 2023 7,439 387 441 5 1
Oct 2023 9,051 500 463 7 7
Sep 2023 8,552 768 788 78 4
Aug 2023 9,708 905 816 54 16
Jul 2023 9,032 1,382 1,179 102 12
Jun 2023 8,734 1,116 1,094 133 16
May 2023 8,465 624 734 23 13
Apr 2023 7,857 725 818 60 7
Mar 2023 8,640 675 736 28 9
Feb 2023 7,006 428 522 30 8
Jan 2023 7,181 544 722 42 4

Top Routes

Busiest routes to and from IAD.

Route Flights On-Time Distance
IAD (Washington) → ATL (Atlanta) 16,536 86.1% 534 mi
ATL (Atlanta) → IAD (Washington) 16,523 86.2% 534 mi
DEN (Denver) → IAD (Washington) 13,835 79.4% 1,452 mi
IAD (Washington) → DEN (Denver) 13,812 84.1% 1,452 mi
CLT (Charlotte) → IAD (Washington) 11,333 84.4% 322 mi
IAD (Washington) → CLT (Charlotte) 11,295 84% 322 mi
IAD (Washington) → SFO (San Francisco) 10,408 82.2% 2,419 mi
SFO (San Francisco) → IAD (Washington) 10,402 83.4% 2,419 mi
LAX (Los Angeles) → IAD (Washington) 10,103 86.6% 2,288 mi
IAD (Washington) → LAX (Los Angeles) 10,095 83.3% 2,288 mi
IAD (Washington) → ORD (Chicago) 8,172 83.7% 588 mi
DTW (Detroit) → IAD (Washington) 8,160 83.9% 383 mi
IAD (Washington) → DTW (Detroit) 8,157 85.8% 383 mi
SEA (Seattle) → IAD (Washington) 8,144 84.2% 2,306 mi
IAD (Washington) → SEA (Seattle) 8,142 83.1% 2,306 mi
ORD (Chicago) → IAD (Washington) 8,119 83.6% 588 mi
IAH (Houston) → IAD (Washington) 8,073 81.8% 1,190 mi
IAD (Washington) → IAH (Houston) 8,070 82.6% 1,190 mi
DFW (Dallas/Fort Worth) → IAD (Washington) 7,542 80.4% 1,172 mi
IAD (Washington) → DFW (Dallas/Fort Worth) 7,541 80.6% 1,172 mi
Data Source: Bureau of Transportation Statistics, On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.