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Route on-time record

BOS to CVG: most on-time flights and the best time to fly

Boston (Boston Logan International Airport) to Cincinnati / Covington (Cincinnati Northern Kentucky International Airport). 1,908 nonstop flights in Jun 2025 to May 2026, 80% arrived within 15 minutes and 2.8% were cancelled. The most reliable flight number was Republic 5601 at 8:22 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

BOS → CVG

Boston to Cincinnati / Covington: 1,908 nonstop flights a year

On time (12 months)

80%

Cancelled

2.8%

avg delay 13 min

Best time to leave

Before 9 AM

89% on time vs 72% 3 to 6 PM

Most reliable airline

Republic

80% chance on time

Check BOS to CVG fares

Lowest nonstop fare seen in the next two months: $431 (American 4760 on 2026-10-24). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Republic 5601 · sold as American Eagle, Delta Connection or United Express

    8:22 AM → 10:55 AM2h 33m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    86%

    chance on time

    On time (history)
    89%
    Cancelled
    3.6%
    Avg arrival delay
    5 min
    • Arrived on time 89% of the time (322 flights, Jun 2025 to May 2026).
    • Cancelled 3.6% of the time (12 of 334).
    • Leaves in this route's most on-time window (Before 9 AM: 89% on time; 3 to 6 PM: 72%).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).

    Strong track record · 322 flights

    Find 8:22 AM flight fares Opens this date on Aviasales

  2. #2 · Republic 5707 · sold as American Eagle, Delta Connection or United Express

    11:34 AM → 1:59 PM2h 25m nonstop

    Local times, typical schedule. Last flown 2026-05-29.

    84%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    13 min
    • Arrived on time 88% of the time (16 flights, Jun 2025 to May 2026).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
    • Short track record (16 flights), so its score leans on the airline's record at this hour.

    Limited track record · 16 flights

    Find 11:34 AM flight fares Opens this date on Aviasales

  3. #3 · Republic 4760 · sold as American Eagle, Delta Connection or United Express

    10:46 AM → 1:18 PM2h 32m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    83%

    chance on time

    On time (history)
    89%
    Cancelled
    3.4%
    Avg arrival delay
    4 min
    • Arrived on time 89% of the time (56 flights, Jun 2025 to May 2026).
    • Cancelled 3.4% of the time (2 of 58).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
    • Short track record (56 flights), so its score leans on the airline's record at this hour.

    Limited track record · 56 flights

    Find 10:46 AM flight fares Opens this date on Aviasales

  4. #4 · Republic 5789 · sold as American Eagle, Delta Connection or United Express

    2:50 PM → 5:17 PM2h 27m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    82%

    chance on time

    On time (history)
    83%
    Cancelled
    1.3%
    Avg arrival delay
    9 min
    • Arrived on time 83% of the time (299 flights, Jun 2025 to May 2026).
    • Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.

    Strong track record · 299 flights

    Find 2:50 PM flight fares Opens this date on Aviasales

  5. #5 · Republic 5674 · sold as American Eagle, Delta Connection or United Express

    11:15 AM → 1:40 PM2h 25m nonstop

    Local times, typical schedule. Last flown 2026-04-12. Same departure also flew as Republic 4663; its record covers all of them.

    81%

    chance on time

    On time (history)
    80%
    Cancelled
    0.0%
    Avg arrival delay
    10 min
    • Arrived on time 80% of the time (70 flights, Jun 2025 to May 2026).
    • Never cancelled in 70 scheduled flights.
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
    • 53% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 70 flights

    Find 11:15 AM flight fares Opens this date on Aviasales

  6. #6 · Republic 5620 · sold as American Eagle, Delta Connection or United Express

    6:59 PM → 9:34 PM2h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    79%

    chance on time

    On time (history)
    83%
    Cancelled
    3.6%
    Avg arrival delay
    13 min
    • Arrived on time 83% of the time (133 flights, Jun 2025 to May 2026).
    • Cancelled 3.6% of the time (5 of 138).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).

    Moderate track record · 133 flights

    Find 6:59 PM flight fares Opens this date on Aviasales

  7. #7 · Republic 5598 · sold as American Eagle, Delta Connection or United Express

    4:45 PM → 7:19 PM2h 34m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    74%

    chance on time

    On time (history)
    76%
    Cancelled
    0.0%
    Avg arrival delay
    10 min
    • Arrived on time 76% of the time (25 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (3 to 6 PM: 72% on time; Before 9 AM: 89%).
    • Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
    • Short track record (25 flights), so its score leans on the airline's record at this hour.

    Limited track record · 25 flights

    Find 4:45 PM flight fares Opens this date on Aviasales

  8. #8 · Envoy 3802 · sold as American Eagle

    7:05 PM → 9:46 PM2h 41m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    69%

    chance on time

    On time (history)
    71%
    Cancelled
    3.1%
    Avg arrival delay
    23 min
    • Arrived on time 71% of the time (185 flights, Jun 2025 to May 2026).
    • Cancelled 3.1% of the time (6 of 192).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
    • 71% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 185 flights

    Find 7:05 PM flight fares Opens this date on Aviasales

  9. #9 · Envoy 3408 · sold as American Eagle

    7:33 PM → 10:09 PM2h 36m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    69%

    chance on time

    On time (history)
    71%
    Cancelled
    1.2%
    Avg arrival delay
    23 min
    • Arrived on time 71% of the time (168 flights, Jun 2025 to May 2026).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
    • 78% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 168 flights

    Find 7:33 PM flight fares Opens this date on Aviasales

  10. #10 · Republic 5801 · sold as American Eagle, Delta Connection or United Express

    8:46 PM → 11:14 PM2h 34m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    64%

    chance on time

    On time (history)
    64%
    Cancelled
    4.3%
    Avg arrival delay
    26 min
    • Arrived on time 64% of the time (154 flights, Jun 2025 to May 2026).
    • Cancelled 4.3% of the time (7 of 162).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
    • 55% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 154 flights

    Find 8:46 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Republic Airways (sold as American Eagle, Delta Connection or United Express)80%

    1,525 flights · 82% on time as flown · 3.0% cancel

  • Envoy Air (sold as American Eagle)71%

    364 flights · 71% on time as flown · 2.4% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM89%

    434 flights · avg delay 5 min

  • 9 AM to noon86%

    348 flights · avg delay 7 min

  • Noon to 3 PM84%

    340 flights · avg delay 9 min

  • 3 to 6 PM72%

    294 flights · avg delay 20 min

  • 6 to 9 PM73%

    446 flights · avg delay 21 min

Best day: Wednesday (84%). Worst: Friday (77%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
83
F
82
M
85
A
80
M
80
J
75
J
67
A
80
S
79
O
85
N
86
D
80

What delays this route

  • Late-arriving aircraft52%
  • Airline (crew, maintenance, boarding)26%
  • Air traffic control and airport volume19%
  • Severe weather2%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from BOS to CVG…

BOS to CVG questions

What time of day is best to fly BOS to CVG?
Before 9 AM: 89% of flights arrived on time, against 72% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from BOS to CVG?
Republic, with a season-adjusted 80% chance of operating and arriving on time over 1,525 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on BOS to CVG?
July (67% on time); the best was November (86%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from BOS

Live status: FAA delays and ground stops