Route on-time record
PIT to BOS: most on-time flights and the best time to fly
Pittsburgh (Pittsburgh International Airport) to Boston (Boston Logan International Airport). 2,140 nonstop flights in Jun 2025 to May 2026, 79% arrived within 15 minutes and 2.3% were cancelled. The most reliable flight number was Republic 5673 at 10:25 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
PIT → BOS
Pittsburgh to Boston: 2,140 nonstop flights a year
On time (12 months)
79%
Cancelled
2.3%
avg delay 17 min
Best time to leave
Before 9 AM
91% on time vs 63% 6 to 9 PM
Most reliable airline
Republic
80% chance on time
Lowest nonstop fare seen in the next two months: $104 (JetBlue 386 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 · Republic 5673 · sold as American Eagle, Delta Connection or United Express
10:25 AM → 12:15 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-30.
90%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (22 flights, Jun 2025 to May 2026).
- Lands inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
- Short track record (22 flights), so its score leans on the airline's record at this hour.
Limited track record · 22 flights
Find 10:25 AM flight fares Opens this date on Aviasales#2 · Republic 5690 · sold as American Eagle, Delta Connection or United Express
6:09 AM → 8:00 AM1h 51m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.1%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (361 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 63%).
Strong track record · 361 flights
Find 6:09 AM flight fares Opens this date on Aviasales#3 · Republic 5678 · sold as American Eagle, Delta Connection or United Express
11:25 AM → 1:07 PM1h 43m nonstop
Local times, typical schedule. Last flown 2026-05-06.
85%
chance on time
- On time (history)
- 89%
- Cancelled
- 1.7%
- Avg arrival delay
- 8 min
- Arrived on time 89% of the time (113 flights, Jun 2025 to May 2026).
- Lands inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
Moderate track record · 113 flights
Find 11:25 AM flight fares Opens this date on Aviasales#4 · JetBlue 1286
10:00 AM → 11:22 AM1h 37m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.9%
- Avg arrival delay
- 15 min
- Arrived on time 84% of the time (330 flights, Jun 2025 to May 2026).
Strong track record · 330 flights
Find JetBlue 1286 fares Opens this date on Aviasales#5 · Republic 5818 · sold as American Eagle, Delta Connection or United Express
7:15 PM → 9:09 PM1h 54m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 90% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; Before 9 AM: 91%).
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find 7:15 PM flight fares Opens this date on Aviasales#6 · JetBlue 2186
6:00 AM → 7:35 AM1h 36m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 79%
- Cancelled
- 5.0%
- Avg arrival delay
- 23 min
- Arrived on time 79% of the time (264 flights, Jun 2025 to May 2026).
- Cancelled 5.0% of the time (14 of 278).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 63%).
Strong track record · 264 flights
Find JetBlue 2186 fares Opens this date on Aviasales#7 · Republic 5680 · sold as American Eagle, Delta Connection or United Express
5:45 PM → 7:31 PM1h 46m nonstop
Local times, typical schedule. Last flown 2026-05-06.
76%
chance on time
- On time (history)
- 81%
- Cancelled
- 5.0%
- Avg arrival delay
- 13 min
- Arrived on time 81% of the time (115 flights, Jun 2025 to May 2026).
- Cancelled 5.0% of the time (6 of 121).
Moderate track record · 115 flights
Find 5:45 PM flight fares Opens this date on Aviasales#8 · Republic 5731 · sold as American Eagle, Delta Connection or United Express
2:25 PM → 4:18 PM1h 52m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
- On time (history)
- 71%
- Cancelled
- 3.3%
- Avg arrival delay
- 18 min
- Arrived on time 71% of the time (145 flights, Jun 2025 to May 2026).
- Cancelled 3.3% of the time (5 of 150).
- Lands inside BOS's trouble window: 79% of its 196 ground stops and delay programs started between noon and 6 PM.
Moderate track record · 145 flights
Find 2:25 PM flight fares Opens this date on Aviasales#9 · JetBlue 386
6:20 PM → 8:00 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
69%
chance on time
- On time (history)
- 74%
- Cancelled
- 1.1%
- Avg arrival delay
- 20 min
- Arrived on time 74% of the time (89 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; Before 9 AM: 91%).
- 56% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 89 flights
Find JetBlue 386 fares Opens this date on Aviasales#10 · JetBlue 1986
8:50 PM → 10:28 PM1h 38m nonstop
Local times, typical schedule. Last flown 2026-04-13.
68%
chance on time
- On time (history)
- 70%
- Cancelled
- 1.8%
- Avg arrival delay
- 31 min
- Arrived on time 70% of the time (54 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; Before 9 AM: 91%).
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find JetBlue 1986 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%
1,133 flights · 82% on time as flown · 2.3% cancel
- JetBlue74%
1,007 flights · 75% on time as flown · 2.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
568 flights · avg delay 10 min
- 9 AM to noon86%
574 flights · avg delay 10 min
- Noon to 3 PM74%
298 flights · avg delay 17 min
- 3 to 6 PM67%
301 flights · avg delay 29 min
- 6 to 9 PM63%
399 flights · avg delay 27 min
Best day: Saturday (85%). Worst: Thursday (76%).
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.
What delays this route
- Air traffic control and airport volume40%
- Late-arriving aircraft35%
- Airline (crew, maintenance, boarding)20%
- Severe weather5%
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
PIT to BOS questions
- What time of day is best to fly PIT to BOS?
- Before 9 AM: 91% of flights arrived on time, against 63% for departures 6 to 9 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 PIT to BOS?
- Republic, with a season-adjusted 80% chance of operating and arriving on time over 1,133 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 PIT to BOS?
- September (70% on time); the best was November (90%), 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 PIT
- BOS to PIT (return)
- PIT to ORD 78%
- PIT to LGA 80%
- PIT to ATL 90%
- PIT to MCO 79%
- PIT to CLT 84%
- PIT to EWR 87%
- PIT to JFK 87%
- PIT to DEN 81%
- PIT to DFW 79%
- PIT to DCA 69%
- PIT to IAD 88%
- PIT to PHL 75%
Live status: FAA delays and ground stops