Route
BWI → MHT
Baltimore/Washington International Thurgood Marshall Airport Manchester-Boston Regional Airport
How punctual is this route?
- On-time arrivals
- 84.2%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,721
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 8%
- Extreme weather 6%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.0% | 146 |
| October 2025 | 84.0% | 150 |
| November 2025 | 89.4% | 146 |
| December 2025 | 77.6% | 153 |
| January 2026 | 89.8% | 132 |
| February 2026 | 86.6% | 130 |
| March 2026 | 81.8% | 145 |
| April 2026 | 89.2% | 148 |
| May 2026 | 82.4% | 153 |
| June 2026 | 84.1% | 145 |
| July 2026 | 79.2% | 151 |
| August 2026 | 76.9% | 122 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 1,721 | 84.2% | 1.4% | 67 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1767
23% late · 64 flights
-
WN1760
10% late · 63 flights
-
WN1004
20% late · 61 flights
-
WN1003
12% late · 60 flights
-
WN1668
45% late · 60 flights
-
WN1766
31% late · 59 flights
-
WN1209
19% late · 58 flights
-
WN1651
7% late · 58 flights
-
WN4963
3% late · 58 flights
-
WN1206
4% late · 57 flights
-
WN2213
11% late · 57 flights
-
WN2699
5% late · 57 flights
-
WN1002
4% late · 52 flights
-
WN4736
22% late · 52 flights
-
WN1211
24% late · 50 flights
-
WN2590
17% late · 47 flights
-
WN3205
2% late · 43 flights
-
WN3472
17% late · 42 flights
-
WN4442
17% late · 42 flights
-
WN1050
45% late · 33 flights
-
WN1603
15% late · 33 flights
-
WN1942
3% late · 33 flights
-
WN1351
0% late · 31 flights
-
WN1841
23% late · 31 flights
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