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Route on-time record

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

Boston (Boston Logan International Airport) to Syracuse (Syracuse Hancock International Airport). 413 nonstop flights in Jun 2025 to May 2026, 63% arrived within 15 minutes and 1.9% were cancelled. The most reliable flight number was Republic 4780 at 2:19 PM.

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

BOS → SYR

Boston to Syracuse: 413 nonstop flights a year

On time (12 months)

63%

Cancelled

1.9%

avg delay 26 min

Best time to leave

Noon to 3 PM

95% on time vs 54% after 9 PM

Most reliable airline

Republic

77% chance on time

Check BOS to SYR fares

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 4780 · sold as American Eagle, Delta Connection or United Express

    2:19 PM → 3:45 PM1h 26m nonstop

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

    88%

    chance on time

    On time (history)
    95%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 95% of the time (38 flights, Jun 2025 to May 2026).
    • Never cancelled in 38 scheduled flights.
    • Leaves in this route's most on-time window (Noon to 3 PM: 95% on time; After 9 PM: 54%).
    • Departs inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.

    Limited track record · 38 flights

    Find 2:19 PM flight fares Opens this date on Aviasales

  2. #2 · Republic 4635 · sold as American Eagle, Delta Connection or United Express

    9:10 AM → 10:40 AM1h 30m nonstop

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

    85%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (17 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 (17 flights), so its score leans on the airline's record at this hour.

    Limited track record · 17 flights

    Find 9:10 AM flight fares Opens this date on Aviasales

  3. #3 · JetBlue 845

    9:40 PM → 10:57 PM1h 17m nonstop

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

    56%

    chance on time

    On time (history)
    57%
    Cancelled
    2.2%
    Avg arrival delay
    29 min
    • Arrived on time 57% of the time (350 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (After 9 PM: 54% on time; Noon to 3 PM: 95%).
    • Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
    • 65% of its delay minutes came from the plane arriving late from an earlier flight.

    Strong track record · 350 flights

    Find JetBlue 845 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)77%

    55 flights · 96% on time as flown · 1.4% cancel

  • JetBlue57%

    358 flights · 57% on time as flown · 2.1% cancel

On time by departure time

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

  • Noon to 3 PM95%

    39 flights · avg delay 3 min

  • 3 to 6 PM56%

    64 flights · avg delay 32 min

  • 6 to 9 PM61%

    151 flights · avg delay 24 min

  • After 9 PM54%

    143 flights · avg delay 34 min

Best day: Wednesday (75%). Worst: Sunday (57%).

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
69
F
63
M
69
A
77
M
69
J
60
J
52
A
67
S
71
O
84
N
80
D
58

What delays this route

  • Late-arriving aircraft67%
  • Airline (crew, maintenance, boarding)26%
  • Air traffic control and airport volume6%
  • Severe weather1%

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 SYR…

BOS to SYR questions

What time of day is best to fly BOS to SYR?
Noon to 3 PM: 95% of flights arrived on time, against 54% for departures after 9 PM.
Which airline is most on time from BOS to SYR?
Republic, with a season-adjusted 77% chance of operating and arriving on time over 55 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 SYR?
July (52% on time); the best was October (84%), 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