CLT to BOS flight delays & on-time performance
Nonstop flights from Charlotte Douglas International Airport to Boston Logan International Airport · 728 miles · Aug 2025 – Jul 2026
- BOS: Ground delay program, avg 1 hour and 10 minutes. Flights to BOS are delayed at their origin airports due to runway construction: average 1 hour and 10 minutes, up to 3 hours.
On-time arrivals
77%
arrived < 15 min late
Cancelled
2.4%
95 flights
Avg arrival delay
16 min
66 min when late
Airlines
4
4,017 flights tracked
Key facts
- Flights from Charlotte (CLT) to Boston (BOS) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.4% were cancelled, and 9% arrived an hour or more late.
- Republic Airways was the most punctual airline here (82% on time); American Airlines was the least (74%).
- Departures scheduled around 6am did best (94% on time); around 3pm did worst (60%).
- Saturday was the most reliable day to fly (81% on time) and Sunday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (38%).
Which airline is most on time from CLT to BOS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 82% | 3.0% | 14 min | 7.8% | 1,204 |
| American Airlines | 74% | 2.0% | 17 min | 9.1% | 2,738 |
| Spirit Airlines | 72% | 1.4% | 26 min | 17.4% | 70 |
| Envoy AirRegional airline operating American Eagle flights. | 67% | 40.0% | 52 min | 33.3% | 5 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am94%323 flights
- 7am90%271 flights
- 8am90%287 flights
- 9am88%147 flights
- 10am88%255 flights
- 11am88%288 flights
- 12pm76%135 flights
- 1pm73%408 flights
- 2pm71%232 flights
- 3pm60%293 flights
- 4pm77%68 flights
- 5pm62%433 flights
- 6pm62%286 flights
- 7pm69%206 flights
- 8pm74%225 flights
- 9pm76%65 flights
- 10pm67%95 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%4.3% cancelled
- Tuesday79%2.7% cancelled
- Wednesday79%0.7% cancelled
- Thursday75%1.0% cancelled
- Friday77%0.3% cancelled
- Saturday81%3.6% cancelled
- Sunday72%4.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft38%
- Air traffic control & airport congestion30%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather64%
- Air traffic control & airport congestion24%
- Airline (crew, maintenance, cleaning, fueling)12%
- Security0%
CLT to BOS: common questions
- How often are CLT to BOS flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Charlotte to Boston cancelled?
- 2.4% of scheduled flights were cancelled (95 of 4,017).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 66 min behind schedule on average, and 8.9% of flights were an hour or more late.
- How long is taxi time at CLT?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOS to CLT — 83% on time
More flights from Charlotte
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CLT → BOS, nonstop flights by US airlines that report to the DOT. How we calculate this.