ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe 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.
BOS → DCA
Boston to Washington: 9,071 nonstop flights a year
On time (12 months)
74%
Cancelled
3.9%
avg delay 20 min
Best time to leave
Before 9 AM
89% on time vs 51% 6 to 9 PM
Most reliable airline
Envoy
78% chance on time
Lowest nonstop fare seen in the next two months: $59 (JetBlue 2255 on 2026-11-14). 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 · American 1906
8:04 AM → 9:52 AM1h 48m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 1721; its record covers all of them.
91%
chance on time
- On time (history)
- 97%
- Cancelled
- 1.4%
- Avg arrival delay
- 5 min
- Arrived on time 97% of the time (73 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 51%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Moderate track record · 73 flights
Find American 1906 fares Opens this date on Aviasales#2 · American 2159
6:00 AM → 7:46 AM1h 46m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as American 1821; its record covers all of them.
89%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.0%
- Avg arrival delay
- 7 min
- Arrived on time 91% of the time (203 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 51%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Strong track record · 203 flights
Find American 2159 fares Opens this date on Aviasales#3 · Republic 4505 · sold as American Eagle, Delta Connection or United Express
7:00 AM → 8:55 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 97% of the time (36 flights, Jun 2025 to May 2026).
- Never cancelled in 36 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 51%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Limited track record · 36 flights
Find 7:00 AM flight fares Opens this date on Aviasales#4 · JetBlue 1155
6:20 AM → 7:59 AM1h 39m nonstop
Local times, typical schedule. Last flown 2026-05-20.
88%
chance on time
- On time (history)
- 91%
- Cancelled
- 3.3%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (175 flights, Jun 2025 to May 2026).
- Cancelled 3.3% of the time (6 of 183).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 51%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Moderate track record · 175 flights
Find JetBlue 1155 fares Opens this date on Aviasales#5 · Republic 5687 · sold as American Eagle, Delta Connection or United Express
6:05 AM → 8:00 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-29.
87%
chance on time
- On time (history)
- 92%
- Cancelled
- 6.4%
- Avg arrival delay
- 6 min
- Arrived on time 92% of the time (102 flights, Jun 2025 to May 2026).
- Cancelled 6.4% of the time (7 of 110).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 51%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Moderate track record · 102 flights
Find 6:05 AM flight fares Opens this date on Aviasales#6 · American 2611
7:00 AM → 8:46 AM1h 46m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 1608; its record covers all of them.
86%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 90% of the time (62 flights, Jun 2025 to May 2026).
- Never cancelled in 62 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 51%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Moderate track record · 62 flights
Find American 2611 fares Opens this date on Aviasales#7 · Republic 5693 · sold as American Eagle, Delta Connection or United Express
9:45 AM → 11:36 AM1h 51m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 88%
- Cancelled
- 2.8%
- Avg arrival delay
- 8 min
- Arrived on time 88% of the time (314 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).
Strong track record · 314 flights
Find 9:45 AM flight fares Opens this date on Aviasales#8 · Republic 5692 · sold as American Eagle, Delta Connection or United Express
7:25 AM → 9:34 AM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 87%
- Cancelled
- 2.6%
- Avg arrival delay
- 7 min
- Arrived on time 87% of the time (264 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 89% on time; 6 to 9 PM: 51%).
- Departs outside BOS's trouble window (noon to 6 PM, when 79% of its 196 ground stops and delay programs started).
Strong track record · 264 flights
Find 7:25 AM flight fares Opens this date on Aviasales#9 · Envoy 4198 · sold as American Eagle
10:00 AM → 11:50 AM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as Envoy 3817; its record covers all of them.
84%
chance on time
- On time (history)
- 87%
- Cancelled
- 2.2%
- Avg arrival delay
- 9 min
- Arrived on time 87% of the time (87 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).
Moderate track record · 87 flights
Find 10:00 AM flight fares Opens this date on Aviasales#10 · Republic 5672 · sold as American Eagle, Delta Connection or United Express
11:55 AM → 12:18 PM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 87%
- Cancelled
- 1.5%
- Avg arrival delay
- 8 min
- Arrived on time 87% of the time (324 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).
Strong track record · 324 flights
Find 11:55 AM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Envoy Air (sold as American Eagle)78%
176 flights · 84% on time as flown · 3.9% cancel
- American Airlines74%
2,238 flights · 76% on time as flown · 3.3% cancel
- Republic Airways (sold as American Eagle, Delta Connection or United Express)71%
4,012 flights · 75% on time as flown · 4.4% cancel
- JetBlue67%
2,645 flights · 69% on time as flown · 3.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM89%
2,246 flights · avg delay 9 min
- 9 AM to noon83%
2,132 flights · avg delay 14 min
- Noon to 3 PM68%
1,339 flights · avg delay 19 min
- 3 to 6 PM62%
1,857 flights · avg delay 30 min
- 6 to 9 PM51%
1,143 flights · avg delay 39 min
- After 9 PM71%
354 flights · avg delay 25 min
Best day: Saturday (84%). Worst: Friday (73%).
Smarter routing
Nearby airports that run more on time
MHT → BWI 86% chance on time
Manchester-Boston Regional Airport to Baltimore/Washington International Thurgood Marshall Airport · 1,710 flights a year · 75 mi from your airports · yours: 71%
PVD → BWI 82% chance on time
Rhode Island T. F. Green International Airport to Baltimore/Washington International Thurgood Marshall Airport · 1,885 flights a year · 79 mi from your airports · yours: 71%
BOS → IAD 81% chance on time
Boston Logan International Airport to Washington Dulles International Airport · 1,490 flights a year · 23 mi from your airports · yours: 71%
BOS → BWI 76% chance on time
Boston Logan International Airport to Baltimore/Washington International Thurgood Marshall Airport · 3,605 flights a year · 30 mi from your airports · yours: 71%
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