United Airlines flight UA521

Houston (IAH) to Boston (BOS)

Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 73 minutes. It was cancelled 0.0% of the time.

On-time arrivals

68.6%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

73 min

Flights arriving 15+ minutes late

Flights tracked

153

Scheduled flights in the period

Boston (BOS) to Newark (EWR)

Historically, this flight arrives 15+ minutes late 45% of the time, and when it is late the delay averages 91 minutes. It was cancelled 6.6% of the time.

On-time arrivals

54.9%

Less than 15 minutes late

Cancelled

6.6%

Of scheduled flights

Average delay when late

91 min

Flights arriving 15+ minutes late

Flights tracked

121

Scheduled flights in the period

Atlanta (ATL) to Houston (IAH)

Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 103 minutes. It was cancelled 0.0% of the time.

On-time arrivals

83.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

103 min

Flights arriving 15+ minutes late

Flights tracked

88

Scheduled flights in the period

Newark (EWR) to Fort Lauderdale (FLL)

Only 19 flights on record, which is too few for reliable odds.

On-time arrivals

77.8%

Less than 15 minutes late

Cancelled

5.3%

Of scheduled flights

Average delay when late

49 min

Flights arriving 15+ minutes late

Flights tracked

19

Scheduled flights in the period

Houston (IAH) to New York (LGA)

Only 15 flights on record, which is too few for reliable odds.

On-time arrivals

85.7%

Less than 15 minutes late

Cancelled

6.7%

Of scheduled flights

Average delay when late

32 min

Flights arriving 15+ minutes late

Flights tracked

15

Scheduled flights in the period

Portland (PWM) to Houston (IAH)

Only 6 flights on record, which is too few for reliable odds.

On-time arrivals

66.7%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

114 min

Flights arriving 15+ minutes late

Flights tracked

6

Scheduled flights in the period

St Louis (STL) to Houston (IAH)

Only 5 flights on record, which is too few for reliable odds.

On-time arrivals

75.0%

Less than 15 minutes late

Cancelled

20.0%

Of scheduled flights

Average delay when late

55 min

Flights arriving 15+ minutes late

Flights tracked

5

Scheduled flights in the period

Savannah (SAV) to Newark (EWR)

Only 4 flights on record, which is too few for reliable odds.

On-time arrivals

75.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

64 min

Flights arriving 15+ minutes late

Flights tracked

4

Scheduled flights in the period

San Francisco (SFO) to Albuquerque (ABQ)

Only 3 flights on record, which is too few for reliable odds.

On-time arrivals

100.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

—

Flights arriving 15+ minutes late

Flights tracked

3

Scheduled flights in the period

Chicago (ORD) to Tampa (TPA)

Only 2 flights on record, which is too few for reliable odds.

On-time arrivals

100.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

—

Flights arriving 15+ minutes late

Flights tracked

2

Scheduled flights in the period

San Francisco (SFO) to Kansas City (MCI)

Only 2 flights on record, which is too few for reliable odds.

On-time arrivals

100.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

—

Flights arriving 15+ minutes late

Flights tracked

2

Scheduled flights in the period

Dulles (IAD) to Charlotte (CLT)

Only 1 flight on record, which is too few for reliable odds.

On-time arrivals

100.0%

Less than 15 minutes late

Cancelled

0.0%

Of scheduled flights

Average delay when late

—

Flights arriving 15+ minutes late

Flights tracked

1

Scheduled flights in the period

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