Route
CLT → BOS
Charlotte Douglas International Airport Boston Logan International Airport
How punctual is this route?
- On-time arrivals
- 76.0%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,006
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Air traffic control & airport 31%
- Airline (crew, maintenance, cleaning) 25%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 60.1% | 318 |
| October 2025 | 68.0% | 370 |
| November 2025 | 83.7% | 348 |
| December 2025 | 81.8% | 331 |
| January 2026 | 82.9% | 290 |
| February 2026 | 80.6% | 275 |
| March 2026 | 78.9% | 327 |
| April 2026 | 82.0% | 338 |
| May 2026 | 78.2% | 354 |
| June 2026 | 81.1% | 352 |
| July 2026 | 67.6% | 360 |
| August 2026 | 69.8% | 343 |
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 |
|---|---|---|---|---|
| American Airlines | 2,726 | 74.1% | 2.1% | 70 min |
| Republic Airways | 1,214 | 80.8% | 3.1% | 80 min |
| NK | 61 | 70.0% | 1.6% | 98 min |
| Envoy Air | 5 | 66.7% | 40.0% | 157 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA1843
29% late · 353 flights
-
YX5648
9% late · 255 flights
-
YX5630
28% late · 251 flights
-
YX5626
12% late · 246 flights
-
YX5837
40% late · 217 flights
-
AA2595
43% late · 207 flights
-
AA1828
26% late · 138 flights
-
AA2813
27% late · 137 flights
-
AA3294
20% late · 131 flights
-
AA2773
20% late · 115 flights
-
YX5828
5% late · 110 flights
-
AA1933
47% late · 105 flights
-
AA2068
23% late · 105 flights
-
AA885
12% late · 88 flights
-
AA1548
9% late · 76 flights
-
AA1573
35% late · 76 flights
-
AA1611
13% late · 76 flights
-
AA1533
4% late · 75 flights
-
AA1552
48% late · 75 flights
-
AA2776
19% late · 75 flights
-
AA1422
51% late · 74 flights
-
YX5639
10% late · 72 flights
-
AA922
52% late · 56 flights
-
AA1892
19% late · 53 flights
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