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ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

Beta

We rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.

EWR → BOS

Newark to Boston: 3,854 nonstop flights a year

On time (12 months)

71%

Cancelled

4.0%

avg delay 23 min

Best time to leave

Before 9 AM

89% on time vs 59% 3 to 6 PM

Most reliable airline

United

68% chance on time

Check EWR to BOS fares

Lowest nonstop fare seen in the next two months: $123 (United 1016 on 2026-11-10). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Best trips

24 nonstop. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.

  1. Best overall#1 · Nonstop · 1h 14m

    12:15 PM → 1:29 PM

    86%

    arrive on time

    12:15 PM EWR → 1:29 PM BOS1h 14m

    United 1183

    Boeing 737-900ER · 10–18 yrs old
    88% on time · 2.3% cancel
    Find United 1183 fares Opens this date on Aviasales

  2. #2 · Nonstop · 1h 22m

    8:30 AM → 9:52 AM

    86%

    arrive on time

    8:30 AM EWR → 9:52 AM BOS1h 22m

    Republic 5764 · sold as American Eagle, Delta Connection or United Express

    Embraer E175 · about 18 yrs old
    90% on time · 4.5% cancel
    Find 8:30 AM flight fares Opens this date on Aviasales

  3. #3 · Nonstop · 1h 13m

    6:40 AM → 7:53 AM

    85%

    arrive on time

    6:40 AM EWR → 7:53 AM BOS1h 13m

    United 408

    Airbus A319 · 19–28 yrs old
    87% on time · 2.5% cancel
    Find United 408 fares Opens this date on Aviasales

  4. #4 · Nonstop · 1h 16m

    8:37 AM → 9:53 AM

    85%

    arrive on time

    8:37 AM EWR → 9:53 AM BOS1h 16m

    United 1110

    Boeing 737-900ER or 737 MAX 9 · 0–19 yrs old
    87% on time · 2.9% cancel
    Find United 1110 fares Opens this date on Aviasales

  5. #5 · Nonstop · 1h 16m

    9:04 AM → 10:20 AM

    84%

    arrive on time

    9:04 AM EWR → 10:20 AM BOS1h 16m

    United 1074 · also flew as 503

    Airbus A319 · 1–28 yrs old
    87% on time · 3.0% cancel
    Find United 1074 fares Opens this date on Aviasales

  6. #6 · Nonstop · 1h 16m

    7:55 AM → 9:11 AM

    82%

    arrive on time

    7:55 AM EWR → 9:11 AM BOS1h 16m

    United 593 · also flew as 1932

    Boeing 737-900ER or Airbus A319 · 10–29 yrs old
    84% on time · 1.6% cancel
    Find United 593 fares Opens this date on Aviasales

  7. #7 · Nonstop · 1h 13m

    11:43 AM → 12:56 PM

    79%

    arrive on time

    11:43 AM EWR → 12:56 PM BOS1h 13m

    United 2603

    Airbus A319 · 2–28 yrs old
    81% on time · 3.2% cancel
    Find United 2603 fares Opens this date on Aviasales

  8. #8 · Nonstop · 1h 15m

    9:55 AM → 11:10 AM

    76%

    arrive on time

    9:55 AM EWR → 11:10 AM BOS1h 15m

    United 375

    Airbus A319 or Boeing 737-900ER · 4–26 yrs old
    80% on time · 4.6% cancel
    Find United 375 fares Opens this date on Aviasales

  9. #9 · Nonstop · 1h 17m

    11:55 AM → 1:12 PM

    73%

    arrive on time

    11:55 AM EWR → 1:12 PM BOS1h 17m

    United 1669

    Boeing 737-700 · 2–28 yrs old
    75% on time · 3.0% cancel
    Find United 1669 fares Opens this date on Aviasales

  10. #10 · Nonstop · 1h 16m

    1:10 PM → 2:26 PM

    71%

    arrive on time

    1:10 PM EWR → 2:26 PM BOS1h 16m

    United 1354

    Boeing 737-700 · 24–28 yrs old
    73% on time · 2.7% cancel
    Find United 1354 fares Opens this date on Aviasales

Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes.

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • United Airlines68%

    2,672 flights · 71% on time as flown · 3.2% cancel

  • Republic Airways (sold as American Eagle, Delta Connection or United Express)68%

    1,182 flights · 72% on time as flown · 5.9% cancel

On time by departure time

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

  • Before 9 AM89%

    809 flights · avg delay 6 min

  • 9 AM to noon83%

    547 flights · avg delay 10 min

  • Noon to 3 PM75%

    564 flights · avg delay 19 min

  • 3 to 6 PM59%

    1,005 flights · avg delay 35 min

  • 6 to 9 PM59%

    715 flights · avg delay 35 min

  • After 9 PM60%

    214 flights · avg delay 34 min

Best day: Saturday (78%). Worst: Friday (70%).

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