Route
BOS → IAH
Boston Logan International Airport George Bush Intercontinental Airport
How punctual is this route?
- On-time arrivals
- 80.1%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,018
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 24%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.9% | 158 |
| October 2025 | 83.2% | 190 |
| November 2025 | 84.0% | 189 |
| December 2025 | 77.7% | 175 |
| January 2026 | 85.3% | 116 |
| February 2026 | 87.4% | 122 |
| March 2026 | 89.1% | 148 |
| April 2026 | 91.4% | 151 |
| May 2026 | 72.5% | 178 |
| June 2026 | 79.1% | 187 |
| July 2026 | 70.5% | 210 |
| August 2026 | 73.3% | 194 |
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 | 1,550 | 82.3% | 1.3% | 79 min |
| JetBlue Airways | 468 | 72.7% | 3.0% | 62 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA226
7% late · 364 flights
-
B62033
26% late · 341 flights
-
UA1976
12% late · 291 flights
-
UA1183
31% late · 163 flights
-
UA1392
37% late · 152 flights
-
UA2060
33% late · 105 flights
-
B6933
39% late · 82 flights
-
UA1409
10% late · 59 flights
-
UA1902
6% late · 53 flights
-
B61433
18% late · 41 flights
-
UA577
32% late · 39 flights
-
UA355
8% late · 37 flights
-
UA1851
32% late · 31 flights
-
UA276
7% late · 31 flights
-
UA351
19% late · 31 flights
-
UA439
10% late · 31 flights
-
UA1338
32% late · 28 flights
-
UA230
12% late · 24 flights
-
UA536
17% late · 24 flights
-
UA270
6% late · 20 flights
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