Route
DCA → HOU
Ronald Reagan Washington National Airport William P. Hobby Airport
How punctual is this route?
- On-time arrivals
- 75.4%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,053
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 18%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 83.7% | 86 |
| October 2025 | 88.2% | 85 |
| November 2025 | 81.7% | 85 |
| December 2025 | 83.5% | 91 |
| January 2026 | 86.7% | 89 |
| February 2026 | 92.3% | 80 |
| March 2026 | 72.5% | 93 |
| April 2026 | 80.5% | 87 |
| May 2026 | 59.1% | 88 |
| June 2026 | 61.8% | 90 |
| July 2026 | 56.5% | 90 |
| August 2026 | 61.2% | 89 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 1,053 | 75.4% | 2.2% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1729
10% late · 58 flights
-
WN1731
47% late · 58 flights
-
WN4937
9% late · 58 flights
-
WN1671
9% late · 55 flights
-
WN1201
12% late · 53 flights
-
WN1433
55% late · 50 flights
-
WN3220
34% late · 50 flights
-
WN2081
9% late · 46 flights
-
WN697
16% late · 46 flights
-
WN1432
12% late · 43 flights
-
WN1541
30% late · 33 flights
-
WN3056
29% late · 31 flights
-
WN2477
0% late · 28 flights
-
WN1021
7% late · 27 flights
-
WN2730
75% late · 25 flights
-
WN2731
12% late · 24 flights
-
WN3940
13% late · 23 flights
-
WN2368
14% late · 22 flights
-
WN3936
14% late · 21 flights
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