Route
IAH → BWI
George Bush Intercontinental Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 77.3%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,308
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 30%
- Air traffic control & airport 21%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.9% | 106 |
| October 2025 | 75.7% | 107 |
| November 2025 | 84.4% | 122 |
| December 2025 | 76.9% | 105 |
| January 2026 | 88.4% | 119 |
| February 2026 | 88.1% | 103 |
| March 2026 | 67.6% | 115 |
| April 2026 | 81.7% | 121 |
| May 2026 | 71.7% | 106 |
| June 2026 | 67.7% | 102 |
| July 2026 | 63.5% | 106 |
| August 2026 | 77.8% | 96 |
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 | 831 | 81.3% | 0.6% | 66 min |
| NK | 295 | 79.9% | 2.0% | 63 min |
| Frontier Airlines | 180 | 52.1% | 7.8% | 75 min |
| SkyWest Airlines | 2 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA1720
18% late · 194 flights
-
F93068
48% late · 180 flights
-
UA604
9% late · 142 flights
-
UA2682
31% late · 114 flights
-
NK1245
20% late · 96 flights
-
UA2322
22% late · 66 flights
-
NK1317
12% late · 49 flights
-
NK2608
39% late · 41 flights
-
UA1115
3% late · 37 flights
-
UA351
3% late · 37 flights
-
UA1108
11% late · 36 flights
-
UA1956
34% late · 35 flights
-
NK140
19% late · 34 flights
-
NK710
16% late · 32 flights
-
UA1795
44% late · 32 flights
-
UA1533
10% late · 31 flights
-
NK2953
10% late · 30 flights
-
UA1506
36% late · 25 flights
-
UA1248
19% late · 22 flights
Reviews
No reviews yet. Be the first to review this route.