Route Reliability

Route reliability

Newark (EWR) to Boston (BOS): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Newark, NJ (EWR) to Boston, MA (BOS), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Newark, NJBoston, MA

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

EWR to BOS

Newark, NJ to Boston, MA

On time
69.1%vs 75.6% U.S. average Worse than average
Cancelled
4.2%vs 1.9% U.S. average Worse than average
60+ min late
11.8%vs 8.1% U.S. average Worse than average
Scheduled flights
3,860in 12 months2 airlines
Most reliable airline
Republic Airways70.0% on time · 1,165 flights

On time less often than the U.S. average, with more cancellations.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from EWR to BOS, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Republic Airways Operating carrier; sold as American Eagle, Delta Connection, United Express Most reliable 70.0% 6.7% 9.1% 74 min 0.1% 1,165
2. United Airlines 68.7% 3.2% 13.0% 76 min 0.0% 2,695

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

Republic Airways has the strongest record on this route.

  • Republic Airways had the best on-time record from Newark (EWR) to Boston (BOS): 70.0% of its 1,165 scheduled flights arrived within 15 minutes of schedule, compared with 68.7% for United Airlines. The gap is small, so treat the airlines as roughly equal on punctuality.
  • 4.2% of flights on this route were cancelled (about 1 in 24), 2.3 points higher than the U.S. average of 1.9%.
  • 11.8% of flights, about 1 in 8, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 76 min.
  • Overall, 69.1% of flights on this route arrived on time, 6.5 points lower than the U.S. average of 75.6%.
  • Over the last 3 years, January was the most reliable month on this route (79.4% on time) and July the least reliable (57.5%).
  • Cancellations peaked in July, when 7.9% of flights were cancelled.
  • Flights scheduled to depart 6 am to 7 am were the most punctual (88.4% on time); flights scheduled to depart 6 pm to 7 pm were the least (50.5%).
  • In the other direction, Boston (BOS) to Newark (EWR), 72.2% of flights were on time and 4.5% were cancelled. Compare airlines BOS to EWR.

Best and worst months to fly EWR to BOS

Jan 79.4%
Feb 78.7%
Mar 76.3%
Apr 75.0%
May 69.2%
Jun 71.7%
Jul 57.5%
Aug 66.2%
Sep 65.5%
Oct 72.8%
Nov 75.4%
Dec 76.6%
Share of scheduled flights on time 12-month average 69.1%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 79.4% 890
February 78.7% 898
March 76.3% 1,037
April 75.0% 999
May 69.2% 1,014
June 71.7% 1,006
July 57.5% 1,027
August 66.2% 1,052
September 65.5% 1,066
October 72.8% 1,127
November 75.4% 956
December 76.6% 811
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Republic Airways January (85.7%) July (57.3%)
United Airlines December (77.2%) July (58.2%)

Month by month, last 12 months

Sep 52.4%
Oct 48.8%
Nov 65.4%
Dec 75.8%
Jan 75.3%
Feb 73.8%
Mar 71.4%
Apr 81.0%
May 82.5%
Jun 74.3%
Jul 61.2%
Aug 67.3%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 52.4% 336
Oct 2025 48.8% 332
Nov 2025 65.4% 327
Dec 2025 75.8% 277
Jan 2026 75.3% 296
Feb 2026 73.8% 302
Mar 2026 71.4% 353
Apr 2026 81.0% 347
May 2026 82.5% 348
Jun 2026 74.3% 327
Jul 2026 61.2% 291
Aug 2026 67.3% 324

Best and worst departure times

6a 88.4%
7a 86.6%
8a 84.1%
9a 84.7%
10a 81.5%
11a 80.1%
12p 79.0%
1p 68.7%
2p 68.9%
3p 53.4%
4p 59.4%
5p 63.9%
6p 50.5%
7p 53.9%
8p 61.5%
9p 53.8%
10p Insufficient sample
Share of scheduled flights on time
By scheduled local departure hour at EWR, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing 6 am to 7 am 88.4% 172
Departing 7 am to 8 am 86.6% 253
Departing 8 am to 9 am 84.1% 384
Departing 9 am to 10 am 84.7% 321
Departing 10 am to 11 am 81.5% 119
Departing 11 am to noon 80.1% 226
Departing noon to 1 pm 79.0% 162
Departing 1 pm to 2 pm 68.7% 134
Departing 2 pm to 3 pm 68.9% 167
Departing 3 pm to 4 pm 53.4% 567
Departing 4 pm to 5 pm 59.4% 271
Departing 5 pm to 6 pm 63.9% 155
Departing 6 pm to 7 pm 50.5% 212
Departing 7 pm to 8 pm 53.9% 193
Departing 8 pm to 9 pm 61.5% 397
Departing 9 pm to 10 pm 53.8% 119
Departing 10 pm to 11 pm Insufficient sample 8
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Newark, NJ (EWR) to Boston, MA (BOS), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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